Bridge Statistics for Rochester, Iowa (IA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs
- National Bridge Inventory (NBI) Statistics
- 24Number of bridges
- 381ft / 116mTotal length
- 131,310Total average daily traffic
- 51,735Total average daily truck traffic
- National Bridge Inventory (NBI) Registered Bridges for Rochester
- No street view available for this location
- New bridges - historical statistics
- 11920-1929
- 21930-1939
- 21940-1949
- 21950-1959
- 51960-1969
- 31970-1979
- 31990-1999
- 42000-2009
- 22010-2019
- Reconstructed bridges - Historical Statistics
- 11960-1969
- 01970-1979
- 01980-1989
- 11990-1999
- Bridge Condition - Deck
- 16.7%Very good
- 22.2%Good
- 16.7%Satisfactory
- 22.2%Fair
- 16.7%Poor
- 5.6%Serious
- Bridge Condition - Superstructure
- 11.1%Very good
- 33.3%Good
- 16.7%Satisfactory
- 22.2%Fair
- 16.7%Poor
- Bridge Condition - Substructure
- 5.6%Very good
- 44.4%Good
- 11.1%Satisfactory
- 22.2%Fair
- 5.6%Poor
- 11.1%Serious
- Bridge Condition - Channel
- 20.0%Very good
- 20.0%Good
- 40.0%Satisfactory
- 20.0%Fair
- Bridge Condition - Culverts
- 33.3%Satisfactory
- 33.3%Fair
- 33.3%Poor
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Structure Number: 1833, Location: At N Jct. of I-80 (Lat: 41.645364, Lng: -91.114469), Route carried "on" structure: State highway 38, Year Built: 1960, Status: Open, Structure Length: 8.11m (26.61ft), Average Daily Traffic: 2,920 (year 2020), Truck Traffic: 17%, Average Future Daily Traffic: 2,920 (year 2040), Design Load: H 20, Features Intersected: I-80
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 128.508, Lanes on structure: 2, Lanes under structure: 4, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 14.6m (47.9ft), Skew: 3 degrees, Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 4, Length of Maximum Span: 22.6m (74.1ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 10.4m (34.1ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Fair, Operating Rating: 36.4 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 21.9 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Underclear: High priority of corrective action, Approach Roadway Alignment: Equal to present minimum criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: October 2020, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
Structure Number: 1833, Location: At N Jct. of I-80 (Lat: 41.645364, Lng: -91.114469), Route carried "on" structure: State highway 38, Year Built: 1960, Status: Open, Structure Length: 8.11m (26.61ft), Average Daily Traffic: 2,920 (year 2020), Truck Traffic: 17%, Average Future Daily Traffic: 2,920 (year 2040), Design Load: H 20, Features Intersected: I-80
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 128.508, Lanes on structure: 2, Lanes under structure: 4, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 14.6m (47.9ft), Skew: 3 degrees, Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 4, Length of Maximum Span: 22.6m (74.1ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 10.4m (34.1ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Fair, Operating Rating: 36.4 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 21.9 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Underclear: High priority of corrective action, Approach Roadway Alignment: Equal to present minimum criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: October 2020, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 1834, Location: 0.4 mi. N of N Jct I-80 (Lat: 41.649975, Lng: -91.118292), Route carried "on" structure: State highway 38, Year Built: 1959, Status: Open, Structure Length: 4.33m (14.21ft), Average Daily Traffic: 3,410 (year 2020), Truck Traffic: 19%, Average Future Daily Traffic: 3,410 (year 2041), Design Load: HS 20, Features Intersected: CROOKED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 30.985, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 14.0m (45.9ft), Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 18.3m (60.0ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 11.0m (36.1ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Good, Channel: Good, Operating Rating: 52.7 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 33.3 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: June 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
Structure Number: 1834, Location: 0.4 mi. N of N Jct I-80 (Lat: 41.649975, Lng: -91.118292), Route carried "on" structure: State highway 38, Year Built: 1959, Status: Open, Structure Length: 4.33m (14.21ft), Average Daily Traffic: 3,410 (year 2020), Truck Traffic: 19%, Average Future Daily Traffic: 3,410 (year 2041), Design Load: HS 20, Features Intersected: CROOKED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 30.985, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 14.0m (45.9ft), Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 18.3m (60.0ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 11.0m (36.1ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Good, Channel: Good, Operating Rating: 52.7 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 33.3 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: June 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 1848, Location: 079030905 (Lat: 41.670506, Lng: -91.198658), Route carried "on" structure: County highway , Year Built: 1951, Status: Open, Structure Length: 0.64m (2.10ft), Average Daily Traffic: 820 (year 2018), Truck Traffic: 12%, Average Future Daily Traffic: 820 (year 2041), Design Load: H 20, Features Intersected: SMALL STREAM, Facility Carried by Structure: F44 290TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 11.253, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 2 degrees, Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.0m (9.8ft), Out-to-Out Width: 13.4m (44.0ft)
Condition: Channel: Fair, Culverts: Fair, Structural Evaluation: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 10.00m (32.81ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $285,000, Roadway Improvement Cost: $29,000
Structure Number: 1848, Location: 079030905 (Lat: 41.670506, Lng: -91.198658), Route carried "on" structure: County highway , Year Built: 1951, Status: Open, Structure Length: 0.64m (2.10ft), Average Daily Traffic: 820 (year 2018), Truck Traffic: 12%, Average Future Daily Traffic: 820 (year 2041), Design Load: H 20, Features Intersected: SMALL STREAM, Facility Carried by Structure: F44 290TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 11.253, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 2 degrees, Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.0m (9.8ft), Out-to-Out Width: 13.4m (44.0ft)
Condition: Channel: Fair, Culverts: Fair, Structural Evaluation: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 10.00m (32.81ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $285,000, Roadway Improvement Cost: $29,000
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Structure Number: 18611, Location: 1.0 mi. W of W Jct. IA 38 (Lat: 41.645467, Lng: -91.135436), Route carried "on" structure: Interstate 80, Year Built: 2009, Status: Open, Structure Length: 36.22m (118.83ft), Average Daily Traffic: 15,650 (year 2020), Truck Traffic: 41%, Average Future Daily Traffic: 15,650 (year 2041), Design Load: HS 20, Features Intersected: CEDAR RIVER
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 427.046, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 1 degrees, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 9, Length of Maximum Span: 41.8m (137.1ft), Curb-To-Curb Width: 17.1m (56.1ft), Out-to-Out Width: 18.0m (59.1ft)
Condition: Deck: Good, Superstructure: Very good, Substructure: Good, Channel: Very good, Operating Rating: 90.5 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 46.8 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Superior to present desirable criteria, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Underwater Inspection Frequency: Every 48 months, Inspection Date: May 2021, Underwater Inspection Date: May 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete, Deck Protection: Epoxy Coated Reinforcing
Structure Number: 18611, Location: 1.0 mi. W of W Jct. IA 38 (Lat: 41.645467, Lng: -91.135436), Route carried "on" structure: Interstate 80, Year Built: 2009, Status: Open, Structure Length: 36.22m (118.83ft), Average Daily Traffic: 15,650 (year 2020), Truck Traffic: 41%, Average Future Daily Traffic: 15,650 (year 2041), Design Load: HS 20, Features Intersected: CEDAR RIVER
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 427.046, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 1 degrees, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 9, Length of Maximum Span: 41.8m (137.1ft), Curb-To-Curb Width: 17.1m (56.1ft), Out-to-Out Width: 18.0m (59.1ft)
Condition: Deck: Good, Superstructure: Very good, Substructure: Good, Channel: Very good, Operating Rating: 90.5 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 46.8 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Superior to present desirable criteria, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Underwater Inspection Frequency: Every 48 months, Inspection Date: May 2021, Underwater Inspection Date: May 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete, Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 18621, Location: 1.0 mi. W of W jct. IA 38 (Lat: 41.645558, Lng: -91.131464), Route carried "on" structure: Interstate 80, Year Built: 2010, Status: Open, Structure Length: 36.22m (118.83ft), Average Daily Traffic: 15,650 (year 2020), Truck Traffic: 41%, Average Future Daily Traffic: 15,650 (year 2041), Design Load: HS 20, Features Intersected: CEDAR RIVER
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 65.751, Lanes on structure: 2, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 1 degrees, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 9, Length of Maximum Span: 41.8m (137.1ft), Curb-To-Curb Width: 17.1m (56.1ft), Out-to-Out Width: 18.0m (59.1ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Very good, Operating Rating: 62.9 metric tons, Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings, Inventory Rating: 48.6 metric tons, Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings, Structural Evaluation: Better than present minimum criteria, Deck Geometry: Superior to present desirable criteria, Waterway Adequacy: Superior to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Underwater Inspection Frequency: Every 48 months, Inspection Date: May 2021, Underwater Inspection Date: May 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete, Deck Protection: Epoxy Coated Reinforcing
Structure Number: 18621, Location: 1.0 mi. W of W jct. IA 38 (Lat: 41.645558, Lng: -91.131464), Route carried "on" structure: Interstate 80, Year Built: 2010, Status: Open, Structure Length: 36.22m (118.83ft), Average Daily Traffic: 15,650 (year 2020), Truck Traffic: 41%, Average Future Daily Traffic: 15,650 (year 2041), Design Load: HS 20, Features Intersected: CEDAR RIVER
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 65.751, Lanes on structure: 2, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 1 degrees, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 9, Length of Maximum Span: 41.8m (137.1ft), Curb-To-Curb Width: 17.1m (56.1ft), Out-to-Out Width: 18.0m (59.1ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Very good, Operating Rating: 62.9 metric tons, Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings, Inventory Rating: 48.6 metric tons, Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings, Structural Evaluation: Better than present minimum criteria, Deck Geometry: Superior to present desirable criteria, Waterway Adequacy: Superior to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Underwater Inspection Frequency: Every 48 months, Inspection Date: May 2021, Underwater Inspection Date: May 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete, Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 101681, Location: 079020506 (Lat: 41.684411, Lng: -91.102239), Route carried "on" structure: County highway , Year Built: 1996, Status: Open, Structure Length: 1.65m (5.41ft), Average Daily Traffic: 15 (year 2018), Average Future Daily Traffic: 15 (year 2040), Features Intersected: CROOKED CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.965, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 16.2m (53.1ft), Curb-To-Curb Width: 7.6m (24.9ft), Out-to-Out Width: 7.7m (25.3ft)
Condition: Deck: Satisfactory, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 55.9 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 42.3 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Meets minimum limits, Length Of Structure Improvement: 5.40m (17.72ft), Designated Inspection Frequency: Every 48 months, Inspection Date: June 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Other
Structure Number: 101681, Location: 079020506 (Lat: 41.684411, Lng: -91.102239), Route carried "on" structure: County highway , Year Built: 1996, Status: Open, Structure Length: 1.65m (5.41ft), Average Daily Traffic: 15 (year 2018), Average Future Daily Traffic: 15 (year 2040), Features Intersected: CROOKED CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.965, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 16.2m (53.1ft), Curb-To-Curb Width: 7.6m (24.9ft), Out-to-Out Width: 7.7m (25.3ft)
Condition: Deck: Satisfactory, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 55.9 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 42.3 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Meets minimum limits, Length Of Structure Improvement: 5.40m (17.72ft), Designated Inspection Frequency: Every 48 months, Inspection Date: June 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 101701, Location: 079020504 (Lat: 41.672500, Lng: -91.102481), Route carried "on" structure: County highway , Year Built: 2017, Status: Posted for load-capacity, Structure Length: 1.22m (4.00ft), Average Daily Traffic: 15 (year 2018), Average Future Daily Traffic: 15 (year 2041), Features Intersected: CROOKED CREEK, Facility Carried by Structure: NEWTON AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 3.640, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.9m (39.0ft), Curb-To-Curb Width: 7.6m (24.9ft), Out-to-Out Width: 7.8m (25.6ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: Very good, Channel: Very good, Operating Rating: 34.3 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 20.6 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Deck Structure Type: Concrete Cast-file-Place
Structure Number: 101701, Location: 079020504 (Lat: 41.672500, Lng: -91.102481), Route carried "on" structure: County highway , Year Built: 2017, Status: Posted for load-capacity, Structure Length: 1.22m (4.00ft), Average Daily Traffic: 15 (year 2018), Average Future Daily Traffic: 15 (year 2041), Features Intersected: CROOKED CREEK, Facility Carried by Structure: NEWTON AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 3.640, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.9m (39.0ft), Curb-To-Curb Width: 7.6m (24.9ft), Out-to-Out Width: 7.8m (25.6ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: Very good, Channel: Very good, Operating Rating: 34.3 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 20.6 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 10171, Location: 079020803 (Lat: 41.670006, Lng: -91.100003), Route carried "on" structure: County highway , Year Built: 1923, Status: Open, Structure Length: 1.22m (4.00ft), Average Daily Traffic: 230 (year 2018), Average Future Daily Traffic: 230 (year 2041), Features Intersected: CROOKED CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 19.502, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Material/Design: Concrete, Design/Construction: Culvert, Number Of Spans In Main Unit: 1, Length of Maximum Span: 12.2m (40.0ft)
Condition: Channel: Satisfactory, Culverts: Poor, Operating Rating: 26.9 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 18.0 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Meets minimum limits, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 8.00m (26.25ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $293,000, Roadway Improvement Cost: $29,000
Structure Number: 10171, Location: 079020803 (Lat: 41.670006, Lng: -91.100003), Route carried "on" structure: County highway , Year Built: 1923, Status: Open, Structure Length: 1.22m (4.00ft), Average Daily Traffic: 230 (year 2018), Average Future Daily Traffic: 230 (year 2041), Features Intersected: CROOKED CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 19.502, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Material/Design: Concrete, Design/Construction: Culvert, Number Of Spans In Main Unit: 1, Length of Maximum Span: 12.2m (40.0ft)
Condition: Channel: Satisfactory, Culverts: Poor, Operating Rating: 26.9 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 18.0 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Meets minimum limits, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 8.00m (26.25ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $293,000, Roadway Improvement Cost: $29,000
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Structure Number: 101722, Location: 079020805 (Lat: 41.660150, Lng: -91.105789), Route carried "on" structure: County highway , Year Built: 2007, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 30 (year 2018), Average Future Daily Traffic: 30 (year 2040), Design Load: HS 20, Features Intersected: CROOKED CR, Facility Carried by Structure: 300TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 14.095, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 6.7m (22.0ft), Curb-To-Curb Width: 7.9m (25.9ft), Out-to-Out Width: 7.9m (25.9ft)
Condition: Deck: Good, Superstructure: Satisfactory, Substructure: Good, Channel: Good, Operating Rating: 36.0 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 25.1 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 2.40m (7.87ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Gravel
Structure Number: 101722, Location: 079020805 (Lat: 41.660150, Lng: -91.105789), Route carried "on" structure: County highway , Year Built: 2007, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 30 (year 2018), Average Future Daily Traffic: 30 (year 2040), Design Load: HS 20, Features Intersected: CROOKED CR, Facility Carried by Structure: 300TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 14.095, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 6.7m (22.0ft), Curb-To-Curb Width: 7.9m (25.9ft), Out-to-Out Width: 7.9m (25.9ft)
Condition: Deck: Good, Superstructure: Satisfactory, Substructure: Good, Channel: Good, Operating Rating: 36.0 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 25.1 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 2.40m (7.87ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 101731, Location: 079020807 (Lat: 41.658558, Lng: -91.101386), Route carried "on" structure: County highway , Year Built: 1998, Status: Open, Structure Length: 1.37m (4.49ft), Average Daily Traffic: 10 (year 2018), Average Future Daily Traffic: 10 (year 2041), Design Load: HS 20, Features Intersected: CROOKED CR, Facility Carried by Structure: 300TH ST (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 14.503, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 5.8m (19.0ft), Skew: 1 degrees, Material/Design: Steel, Design/Construction: Culvert, Number Of Spans In Main Unit: 3, Length of Maximum Span: 1.2m (3.9ft)
Condition: Channel: Satisfactory, Culverts: Satisfactory, Operating Rating: 44.1 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 32.7 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Equal to present minimum criteria, Waterway Adequacy: Meets minimum limits, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 4.50m (14.76ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
Structure Number: 101731, Location: 079020807 (Lat: 41.658558, Lng: -91.101386), Route carried "on" structure: County highway , Year Built: 1998, Status: Open, Structure Length: 1.37m (4.49ft), Average Daily Traffic: 10 (year 2018), Average Future Daily Traffic: 10 (year 2041), Design Load: HS 20, Features Intersected: CROOKED CR, Facility Carried by Structure: 300TH ST (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 14.503, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 5.8m (19.0ft), Skew: 1 degrees, Material/Design: Steel, Design/Construction: Culvert, Number Of Spans In Main Unit: 3, Length of Maximum Span: 1.2m (3.9ft)
Condition: Channel: Satisfactory, Culverts: Satisfactory, Operating Rating: 44.1 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 32.7 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Equal to present minimum criteria, Waterway Adequacy: Meets minimum limits, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 4.50m (14.76ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
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Structure Number: 10182, Location: 079030206 (Lat: 41.677550, Lng: -91.164556), Route carried "on" structure: County highway , Year Built: 1945, Status: Posted for load, Structure Length: 4.69m (15.39ft), Average Daily Traffic: 160 (year 2018), Truck Traffic: 16%, Average Future Daily Traffic: 160 (year 2041), Design Load: H 15, Features Intersected: ROCK CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.507, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 18.0m (59.1ft), Curb-To-Curb Width: 6.6m (21.7ft), Out-to-Out Width: 7.1m (23.3ft)
Condition: Deck: Poor, Superstructure: Fair, Substructure: Fair, Channel: Satisfactory, Operating Rating: 23.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 15.1 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Meets minimum limits, Deck Geometry: Meets minimum limits, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below), Length Of Structure Improvement: 18.50m (60.70ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $422,000, Roadway Improvement Cost: $42,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 10182, Location: 079030206 (Lat: 41.677550, Lng: -91.164556), Route carried "on" structure: County highway , Year Built: 1945, Status: Posted for load, Structure Length: 4.69m (15.39ft), Average Daily Traffic: 160 (year 2018), Truck Traffic: 16%, Average Future Daily Traffic: 160 (year 2041), Design Load: H 15, Features Intersected: ROCK CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.507, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 18.0m (59.1ft), Curb-To-Curb Width: 6.6m (21.7ft), Out-to-Out Width: 7.1m (23.3ft)
Condition: Deck: Poor, Superstructure: Fair, Substructure: Fair, Channel: Satisfactory, Operating Rating: 23.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 15.1 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Meets minimum limits, Deck Geometry: Meets minimum limits, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below), Length Of Structure Improvement: 18.50m (60.70ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $422,000, Roadway Improvement Cost: $42,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 10183, Location: 079031206 (Lat: 41.667303, Lng: -91.142483), Route carried "on" structure: County highway , Year Built: 1930, Status: Posted for load, Structure Length: 0.82m (2.69ft), Average Daily Traffic: 70 (year 2018), Average Future Daily Traffic: 70 (year 2041), Design Load: H 15, Features Intersected: CEDAR RIVER, Facility Carried by Structure: CEMETARY RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.521, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.6m (24.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 7.6m (24.9ft), Curb-To-Curb Width: 5.0m (16.4ft), Out-to-Out Width: 5.0m (16.4ft)
Condition: Deck: Poor, Superstructure: Poor, Substructure: Serious, Channel: Fair, Operating Rating: 33.6 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 19.3 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: High priority of corrective action, Deck Geometry: High priority of corrective action, Waterway Adequacy: High priority of replacement, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below), Length Of Structure Improvement: 4.70m (15.42ft), Designated Inspection Frequency: Every 12 months, Inspection Date: May 2021, Bridge Improvement Cost: $102,000, Roadway Improvement Cost: $10,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Gravel
Structure Number: 10183, Location: 079031206 (Lat: 41.667303, Lng: -91.142483), Route carried "on" structure: County highway , Year Built: 1930, Status: Posted for load, Structure Length: 0.82m (2.69ft), Average Daily Traffic: 70 (year 2018), Average Future Daily Traffic: 70 (year 2041), Design Load: H 15, Features Intersected: CEDAR RIVER, Facility Carried by Structure: CEMETARY RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.521, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.6m (24.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 7.6m (24.9ft), Curb-To-Curb Width: 5.0m (16.4ft), Out-to-Out Width: 5.0m (16.4ft)
Condition: Deck: Poor, Superstructure: Poor, Substructure: Serious, Channel: Fair, Operating Rating: 33.6 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 19.3 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: High priority of corrective action, Deck Geometry: High priority of corrective action, Waterway Adequacy: High priority of replacement, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below), Length Of Structure Improvement: 4.70m (15.42ft), Designated Inspection Frequency: Every 12 months, Inspection Date: May 2021, Bridge Improvement Cost: $102,000, Roadway Improvement Cost: $10,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 101841, Location: 079031304 (Lat: 41.653333, Lng: -91.151281), Route carried "on" structure: County highway , Year Built: 1965, Status: Open, Structure Length: 1.25m (4.10ft), Average Daily Traffic: 110 (year 2018), Average Future Daily Traffic: 110 (year 2041), Features Intersected: PEDEE CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 6.967, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 4.9m (16.1ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 12.2m (40.0ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.4m (21.0ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Fair, Channel: Satisfactory, Operating Rating: 25.1 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 20.9 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 7.00m (22.97ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $256,000, Roadway Improvement Cost: $26,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
Structure Number: 101841, Location: 079031304 (Lat: 41.653333, Lng: -91.151281), Route carried "on" structure: County highway , Year Built: 1965, Status: Open, Structure Length: 1.25m (4.10ft), Average Daily Traffic: 110 (year 2018), Average Future Daily Traffic: 110 (year 2041), Features Intersected: PEDEE CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 6.967, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 4.9m (16.1ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 12.2m (40.0ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.4m (21.0ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Fair, Channel: Satisfactory, Operating Rating: 25.1 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 20.9 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 7.00m (22.97ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $256,000, Roadway Improvement Cost: $26,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 101851, Location: 079031701 (Lat: 41.655903, Lng: -91.225592), Route carried "on" structure: County highway , Year Built: 2006, Status: Open, Structure Length: 0.73m (2.40ft), Average Daily Traffic: 35 (year 2018), Average Future Daily Traffic: 35 (year 2040), Features Intersected: E BR WAPSINONOC CR, Facility Carried by Structure: 300TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 9.651, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Skew: 3 degrees, Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 6.7m (22.0ft), Curb-To-Curb Width: 7.4m (24.3ft), Out-to-Out Width: 8.0m (26.2ft)
Condition: Deck: Very good, Superstructure: Satisfactory, Substructure: Good, Channel: Very good, Operating Rating: 36.1 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 30.0 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 2.40m (7.87ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Gravel
Structure Number: 101851, Location: 079031701 (Lat: 41.655903, Lng: -91.225592), Route carried "on" structure: County highway , Year Built: 2006, Status: Open, Structure Length: 0.73m (2.40ft), Average Daily Traffic: 35 (year 2018), Average Future Daily Traffic: 35 (year 2040), Features Intersected: E BR WAPSINONOC CR, Facility Carried by Structure: 300TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 9.651, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Skew: 3 degrees, Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 6.7m (22.0ft), Curb-To-Curb Width: 7.4m (24.3ft), Out-to-Out Width: 8.0m (26.2ft)
Condition: Deck: Very good, Superstructure: Satisfactory, Substructure: Good, Channel: Very good, Operating Rating: 36.1 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 30.0 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 2.40m (7.87ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 101911, Location: 079032102 (Lat: 41.640356, Lng: -91.209964), Route carried "on" structure: County highway , Year Built: 1994, Status: Open, Structure Length: 1.22m (4.00ft), Average Daily Traffic: 40 (year 2018), Average Future Daily Traffic: 40 (year 2039), Design Load: HS 20, Features Intersected: WAPSINONOC CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.712, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Skew: 3 degrees, Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.6m (38.1ft), Curb-To-Curb Width: 7.5m (24.6ft), Out-to-Out Width: 7.6m (24.9ft)
Condition: Deck: Satisfactory, Superstructure: Good, Substructure: Satisfactory, Channel: Good, Operating Rating: 41.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 34.5 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 4.00m (13.12ft), Designated Inspection Frequency: Every 48 months, Inspection Date: May 2019, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
Structure Number: 101911, Location: 079032102 (Lat: 41.640356, Lng: -91.209964), Route carried "on" structure: County highway , Year Built: 1994, Status: Open, Structure Length: 1.22m (4.00ft), Average Daily Traffic: 40 (year 2018), Average Future Daily Traffic: 40 (year 2039), Design Load: HS 20, Features Intersected: WAPSINONOC CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.712, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Skew: 3 degrees, Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.6m (38.1ft), Curb-To-Curb Width: 7.5m (24.6ft), Out-to-Out Width: 7.6m (24.9ft)
Condition: Deck: Satisfactory, Superstructure: Good, Substructure: Satisfactory, Channel: Good, Operating Rating: 41.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 34.5 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 4.00m (13.12ft), Designated Inspection Frequency: Every 48 months, Inspection Date: May 2019, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 101941, Location: 079032402 (Lat: 41.634314, Lng: -91.151836), Route carried "on" structure: County highway , Year Built: 2008, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 130 (year 2018), Average Future Daily Traffic: 130 (year 2041), Features Intersected: BR CEDAR RIVER, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.844, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 6.7m (22.0ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.9m (25.9ft)
Condition: Deck: Very good, Superstructure: Good, Substructure: Good, Channel: Good, Operating Rating: 36.1 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 23.4 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 2.30m (7.55ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
Structure Number: 101941, Location: 079032402 (Lat: 41.634314, Lng: -91.151836), Route carried "on" structure: County highway , Year Built: 2008, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 130 (year 2018), Average Future Daily Traffic: 130 (year 2041), Features Intersected: BR CEDAR RIVER, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.844, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 6.7m (22.0ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.9m (25.9ft)
Condition: Deck: Very good, Superstructure: Good, Substructure: Good, Channel: Good, Operating Rating: 36.1 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 23.4 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 2.30m (7.55ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2021, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 102871, Location: 080023005 (Lat: 41.707094, Lng: -91.117494), Route carried "on" structure: County highway , Year Built: 1975, Year Reconstructed: 1996, Status: Open, Structure Length: 1.22m (4.00ft), Average Daily Traffic: 35 (year 2018), Average Future Daily Traffic: 35 (year 2040), Features Intersected: CROOKED CREEK, Facility Carried by Structure: MONROE AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.978, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.3m (24.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.9m (39.0ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.6m (24.9ft)
Condition: Deck: Satisfactory, Superstructure: Good, Substructure: Fair, Channel: Satisfactory, Operating Rating: 37.0 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 27.8 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Meets minimum limits, Length Of Structure Improvement: 4.00m (13.12ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Gravel
Structure Number: 102871, Location: 080023005 (Lat: 41.707094, Lng: -91.117494), Route carried "on" structure: County highway , Year Built: 1975, Year Reconstructed: 1996, Status: Open, Structure Length: 1.22m (4.00ft), Average Daily Traffic: 35 (year 2018), Average Future Daily Traffic: 35 (year 2040), Features Intersected: CROOKED CREEK, Facility Carried by Structure: MONROE AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.978, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.3m (24.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.9m (39.0ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.6m (24.9ft)
Condition: Deck: Satisfactory, Superstructure: Good, Substructure: Fair, Channel: Satisfactory, Operating Rating: 37.0 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 27.8 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Meets minimum limits, Length Of Structure Improvement: 4.00m (13.12ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 10288, Location: 080023203 (Lat: 41.698475, Lng: -91.110583), Route carried "on" structure: County highway , Year Built: 1930, Year Reconstructed: 1960, Status: Posted for load, Structure Length: 1.98m (6.50ft), Average Daily Traffic: 20 (year 2018), Average Future Daily Traffic: 20 (year 2041), Features Intersected: CROOKED CR, Facility Carried by Structure: 270TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 9.453, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Material/Design: Steel, Design/Construction: Truss - Thru, Number Of Spans In Main Unit: 1, Length of Maximum Span: 18.3m (60.0ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.2m (20.3ft)
Condition: Deck: Serious, Superstructure: Poor, Substructure: Serious, Channel: Satisfactory, Operating Rating: 6.9 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Structural Evaluation: High priority of replacement, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below), Length Of Structure Improvement: 10.00m (32.81ft), Designated Inspection Frequency: Every 12 months, Critical Feature Inspection Frequency: Every 24 months, Inspection Date: May 2021, Critical Feature Inspection Date: May 2021, Bridge Improvement Cost: $330,000, Roadway Improvement Cost: $33,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 10288, Location: 080023203 (Lat: 41.698475, Lng: -91.110583), Route carried "on" structure: County highway , Year Built: 1930, Year Reconstructed: 1960, Status: Posted for load, Structure Length: 1.98m (6.50ft), Average Daily Traffic: 20 (year 2018), Average Future Daily Traffic: 20 (year 2041), Features Intersected: CROOKED CR, Facility Carried by Structure: 270TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 9.453, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Material/Design: Steel, Design/Construction: Truss - Thru, Number Of Spans In Main Unit: 1, Length of Maximum Span: 18.3m (60.0ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.2m (20.3ft)
Condition: Deck: Serious, Superstructure: Poor, Substructure: Serious, Channel: Satisfactory, Operating Rating: 6.9 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Structural Evaluation: High priority of replacement, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below), Length Of Structure Improvement: 10.00m (32.81ft), Designated Inspection Frequency: Every 12 months, Critical Feature Inspection Frequency: Every 24 months, Inspection Date: May 2021, Critical Feature Inspection Date: May 2021, Bridge Improvement Cost: $330,000, Roadway Improvement Cost: $33,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 103091, Location: 080032203 (Lat: 41.719892, Lng: -91.184858), Route carried "on" structure: County highway , Year Built: 1974, Status: Open, Structure Length: 1.19m (3.90ft), Average Daily Traffic: 50 (year 2018), Average Future Daily Traffic: 50 (year 2040), Features Intersected: ROCK RUN CREEK, Facility Carried by Structure: STONE MILL RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.030, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.1m (20.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.6m (38.1ft), Curb-To-Curb Width: 5.8m (19.0ft), Out-to-Out Width: 6.0m (19.7ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Poor, Channel: Fair, Operating Rating: 30.7 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 18.1 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Meets minimum limits, Deck Geometry: Meets minimum limits, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 6.00m (19.69ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2020, Bridge Improvement Cost: $130,000, Roadway Improvement Cost: $13,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Gravel
Structure Number: 103091, Location: 080032203 (Lat: 41.719892, Lng: -91.184858), Route carried "on" structure: County highway , Year Built: 1974, Status: Open, Structure Length: 1.19m (3.90ft), Average Daily Traffic: 50 (year 2018), Average Future Daily Traffic: 50 (year 2040), Features Intersected: ROCK RUN CREEK, Facility Carried by Structure: STONE MILL RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.030, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.1m (20.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.6m (38.1ft), Curb-To-Curb Width: 5.8m (19.0ft), Out-to-Out Width: 6.0m (19.7ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Poor, Channel: Fair, Operating Rating: 30.7 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 18.1 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Meets minimum limits, Deck Geometry: Meets minimum limits, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 6.00m (19.69ft), Designated Inspection Frequency: Every 24 months, Inspection Date: May 2020, Bridge Improvement Cost: $130,000, Roadway Improvement Cost: $13,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 1031, Location: 080032308 (Lat: 41.715758, Lng: -91.159636), Route carried "on" structure: County highway , Year Built: 1946, Status: Posted for load, Structure Length: 5.58m (18.31ft), Average Daily Traffic: 50 (year 2018), Average Future Daily Traffic: 50 (year 2040), Design Load: H 15, Features Intersected: ROCK CR, Facility Carried by Structure: KING AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.091, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 4, Length of Maximum Span: 21.3m (69.9ft), Curb-To-Curb Width: 6.6m (21.7ft), Out-to-Out Width: 7.1m (23.3ft)
Condition: Deck: Poor, Superstructure: Poor, Substructure: Satisfactory, Channel: Fair, Operating Rating: 24.9 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 15.9 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Meets minimum limits, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below), Length Of Structure Improvement: 21.70m (71.19ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2020, Bridge Improvement Cost: $469,000, Roadway Improvement Cost: $47,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 1031, Location: 080032308 (Lat: 41.715758, Lng: -91.159636), Route carried "on" structure: County highway , Year Built: 1946, Status: Posted for load, Structure Length: 5.58m (18.31ft), Average Daily Traffic: 50 (year 2018), Average Future Daily Traffic: 50 (year 2040), Design Load: H 15, Features Intersected: ROCK CR, Facility Carried by Structure: KING AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.091, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 4, Length of Maximum Span: 21.3m (69.9ft), Curb-To-Curb Width: 6.6m (21.7ft), Out-to-Out Width: 7.1m (23.3ft)
Condition: Deck: Poor, Superstructure: Poor, Substructure: Satisfactory, Channel: Fair, Operating Rating: 24.9 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 15.9 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Meets minimum limits, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below), Length Of Structure Improvement: 21.70m (71.19ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2020, Bridge Improvement Cost: $469,000, Roadway Improvement Cost: $47,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 103141, Location: 080033603 (Lat: 41.691881, Lng: -91.143136), Route carried "on" structure: County highway , Year Built: 1978, Status: Open, Structure Length: 4.66m (15.29ft), Average Daily Traffic: 60 (year 2018), Average Future Daily Traffic: 60 (year 2040), Design Load: HS 20, Features Intersected: ROCK CREEK, Facility Carried by Structure: 273RD ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.743, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.1m (20.0ft), Material/Design: Prestressed concrete, Design/Construction: Tee Beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 15.5m (50.9ft), Curb-To-Curb Width: 7.9m (25.9ft), Out-to-Out Width: 8.5m (27.9ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 72.4 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 37.9 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 15.30m (50.20ft), Designated Inspection Frequency: Every 48 months, Inspection Date: June 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Concrete Precast Panels, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 103141, Location: 080033603 (Lat: 41.691881, Lng: -91.143136), Route carried "on" structure: County highway , Year Built: 1978, Status: Open, Structure Length: 4.66m (15.29ft), Average Daily Traffic: 60 (year 2018), Average Future Daily Traffic: 60 (year 2040), Design Load: HS 20, Features Intersected: ROCK CREEK, Facility Carried by Structure: 273RD ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.743, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.1m (20.0ft), Material/Design: Prestressed concrete, Design/Construction: Tee Beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 15.5m (50.9ft), Curb-To-Curb Width: 7.9m (25.9ft), Out-to-Out Width: 8.5m (27.9ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 72.4 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 37.9 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 15.30m (50.20ft), Designated Inspection Frequency: Every 48 months, Inspection Date: June 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Concrete Precast Panels, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 1833, Location: At N Jct. of I-80 (Lat: 41.645364, Lng: -91.114469), Route carried "under" structure: Interstate 80, Year Built: 1960, Structure Length: 0. m, Average Daily Traffic: 30,300 (year 2020), Truck Traffic: 42%, Features Intersected: I-80, Facility Carried by Structure: IA 38
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 428.815, Lanes on structure: 2, Lanes under structure: 4, Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 22.6m (74.1ft)
Structure Number: 1833, Location: At N Jct. of I-80 (Lat: 41.645364, Lng: -91.114469), Route carried "under" structure: Interstate 80, Year Built: 1960, Structure Length: 0. m, Average Daily Traffic: 30,300 (year 2020), Truck Traffic: 42%, Features Intersected: I-80, Facility Carried by Structure: IA 38
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 428.815, Lanes on structure: 2, Lanes under structure: 4, Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 22.6m (74.1ft)
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Structure Number: 1859, Location: 2.3 mi. E of Jct. SR X40 (Lat: 41.658142, Lng: -91.205147), Route carried "under" structure: Interstate 80, Year Built: 1960, Structure Length: 0. m, Average Daily Traffic: 31,100 (year 2020), Truck Traffic: 41%, Features Intersected: I-80, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 420.966, Lanes on structure: 2, Lanes under structure: 4, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 19.8m (65.0ft)
Structure Number: 1859, Location: 2.3 mi. E of Jct. SR X40 (Lat: 41.658142, Lng: -91.205147), Route carried "under" structure: Interstate 80, Year Built: 1960, Structure Length: 0. m, Average Daily Traffic: 31,100 (year 2020), Truck Traffic: 41%, Features Intersected: I-80, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 420.966, Lanes on structure: 2, Lanes under structure: 4, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 19.8m (65.0ft)
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Structure Number: 186, Location: 2.0 MI. W OF W JCT. IA 38 (Lat: 41.645761, Lng: -91.151869), Route carried "under" structure: Interstate 80, Year Built: 1960, Structure Length: 0. m, Average Daily Traffic: 30,400 (year 2020), Truck Traffic: 40%, Features Intersected: I-80, Facility Carried by Structure: FM X-46
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 425.671, Lanes on structure: 2, Lanes under structure: 4, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 19.8m (65.0ft)
Structure Number: 186, Location: 2.0 MI. W OF W JCT. IA 38 (Lat: 41.645761, Lng: -91.151869), Route carried "under" structure: Interstate 80, Year Built: 1960, Structure Length: 0. m, Average Daily Traffic: 30,400 (year 2020), Truck Traffic: 40%, Features Intersected: I-80, Facility Carried by Structure: FM X-46
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 425.671, Lanes on structure: 2, Lanes under structure: 4, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 19.8m (65.0ft)