Bridge Statistics for Walford, Iowa (IA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs
- National Bridge Inventory (NBI) Statistics
- 18Number of bridges
- 125ft / 37.5mTotal length
- 15,760Total average daily traffic
- 1,443Total average daily truck traffic
- 15,760Total future (year 2039) average daily traffic
- National Bridge Inventory (NBI) Registered Bridges for Walford
- No street view available for this location
- New bridges - historical statistics
- 11940-1949
- 21950-1959
- 31960-1969
- 41970-1979
- 41980-1989
- 21990-1999
- 12000-2009
- 12010-2019
- Bridge Condition - Deck
- 8.3%Very good
- 33.3%Good
- 16.7%Satisfactory
- 41.7%Fair
- Bridge Condition - Superstructure
- 8.3%Very good
- 33.3%Good
- 16.7%Satisfactory
- 41.7%Fair
- Bridge Condition - Substructure
- 8.3%Very good
- 25.0%Good
- 50.0%Satisfactory
- 8.3%Fair
- 8.3%Serious
- Bridge Condition - Channel
- 16.7%Very good
- 22.2%Good
- 55.6%Satisfactory
- 5.6%Fair
- Bridge Condition - Culverts
- 66.7%Good
- 33.3%Satisfactory
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Structure Number: 1041, Location: 000000000 (Lat: 41.115856, Lng: -95.637444), Route carried "on" structure: City street , Year Built: 1950, Status: Open, Structure Length: 0.73m (2.40ft), Average Daily Traffic: 900 (year 2016), Average Future Daily Traffic: 900 (year 2041), Design Load: HS 20, Features Intersected: STREAM, Facility Carried by Structure: MAIN ST CO.L-55
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.898, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.4m (30.8ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.7m (12.1ft)
Condition: Channel: Satisfactory, Culverts: Good, Operating Rating: 44.4 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: Better than present minimum criteria, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 2021
Structure Number: 1041, Location: 000000000 (Lat: 41.115856, Lng: -95.637444), Route carried "on" structure: City street , Year Built: 1950, Status: Open, Structure Length: 0.73m (2.40ft), Average Daily Traffic: 900 (year 2016), Average Future Daily Traffic: 900 (year 2041), Design Load: HS 20, Features Intersected: STREAM, Facility Carried by Structure: MAIN ST CO.L-55
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.898, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.4m (30.8ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.7m (12.1ft)
Condition: Channel: Satisfactory, Culverts: Good, Operating Rating: 44.4 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: Better than present minimum criteria, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 2021
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Structure Number: 1166, Location: N60000500 (Lat: 41.873397, Lng: -91.835728), Route carried "on" structure: City street , Year Built: 1955, Status: Posted for load, Structure Length: 0.94m (3.08ft), Average Daily Traffic: 110 (year 2017), Average Future Daily Traffic: 110 (year 2041), Design Load: H 15, Features Intersected: SMALL STREAM, Facility Carried by Structure: FOURTH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.063, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 7.3m (24.0ft), Material/Design: Concrete, Design/Construction: Tee Beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 8.8m (28.9ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.9m (25.9ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 20.4 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: 15.9 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: Meets minimum limits, 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: 20.0 - 29.9% below), Length Of Structure Improvement: 5.10m (16.73ft), Designated Inspection Frequency: Every 24 months, Inspection Date: March 2021, Bridge Improvement Cost: $117,000, Roadway Improvement Cost: $12,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Bituminous
Structure Number: 1166, Location: N60000500 (Lat: 41.873397, Lng: -91.835728), Route carried "on" structure: City street , Year Built: 1955, Status: Posted for load, Structure Length: 0.94m (3.08ft), Average Daily Traffic: 110 (year 2017), Average Future Daily Traffic: 110 (year 2041), Design Load: H 15, Features Intersected: SMALL STREAM, Facility Carried by Structure: FOURTH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.063, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 7.3m (24.0ft), Material/Design: Concrete, Design/Construction: Tee Beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 8.8m (28.9ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.9m (25.9ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 20.4 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: 15.9 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: Meets minimum limits, 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: 20.0 - 29.9% below), Length Of Structure Improvement: 5.10m (16.73ft), Designated Inspection Frequency: Every 24 months, Inspection Date: March 2021, Bridge Improvement Cost: $117,000, Roadway Improvement Cost: $12,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 14521, Location: 1.3 mi. N of SR E66 (Lat: 41.876308, Lng: -91.842217), Route carried "on" structure: US 151, Year Built: 1995, Status: Open, Structure Length: 0.98m (3.22ft), Average Daily Traffic: 6,700 (year 2020), Truck Traffic: 8%, Average Future Daily Traffic: 6,700 (year 2042), Design Load: HS 20, Features Intersected: KNAPP CREEK
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 27.377, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 3, Length of Maximum Span: 3.0m (9.8ft)
Condition: Channel: Good, Culverts: Good, Operating Rating: 39.5 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: 30.5 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, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: January 2022
Structure Number: 14521, Location: 1.3 mi. N of SR E66 (Lat: 41.876308, Lng: -91.842217), Route carried "on" structure: US 151, Year Built: 1995, Status: Open, Structure Length: 0.98m (3.22ft), Average Daily Traffic: 6,700 (year 2020), Truck Traffic: 8%, Average Future Daily Traffic: 6,700 (year 2042), Design Load: HS 20, Features Intersected: KNAPP CREEK
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 27.377, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 3, Length of Maximum Span: 3.0m (9.8ft)
Condition: Channel: Good, Culverts: Good, Operating Rating: 39.5 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: 30.5 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, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: January 2022
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Structure Number: 70051, Location: 082091104 (Lat: 41.927458, Lng: -91.862022), Route carried "on" structure: County highway , Year Built: 1976, Status: Posted for load, Structure Length: 0.94m (3.08ft), Average Daily Traffic: 30 (year 2017), Average Future Daily Traffic: 30 (year 2041), Design Load: H 20, Features Intersected: BR PRAIRIE CK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.858, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Skew: 3 degrees, Material/Design: Concrete, Design/Construction: Channel Beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 9.1m (29.9ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.9m (25.9ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Serious, Channel: Very good, Operating Rating: 21.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 14.4 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: High priority of corrective action, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Better than present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below), Length Of Structure Improvement: 3.30m (10.83ft), Designated Inspection Frequency: Every 12 months, Inspection Date: April 2021, Bridge Improvement Cost: $25,000, Roadway Improvement Cost: $3,000, Deck Structure Type: Concrete Precast Panels, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 70051, Location: 082091104 (Lat: 41.927458, Lng: -91.862022), Route carried "on" structure: County highway , Year Built: 1976, Status: Posted for load, Structure Length: 0.94m (3.08ft), Average Daily Traffic: 30 (year 2017), Average Future Daily Traffic: 30 (year 2041), Design Load: H 20, Features Intersected: BR PRAIRIE CK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.858, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Skew: 3 degrees, Material/Design: Concrete, Design/Construction: Channel Beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 9.1m (29.9ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.9m (25.9ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Serious, Channel: Very good, Operating Rating: 21.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 14.4 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: High priority of corrective action, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Better than present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below), Length Of Structure Improvement: 3.30m (10.83ft), Designated Inspection Frequency: Every 12 months, Inspection Date: April 2021, Bridge Improvement Cost: $25,000, Roadway Improvement Cost: $3,000, Deck Structure Type: Concrete Precast Panels, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 70071, Location: 082091403 (Lat: 41.919744, Lng: -91.856331), Route carried "on" structure: County highway , Year Built: 2018, Status: Open, Structure Length: 2.44m (8.01ft), Average Daily Traffic: 90 (year 2021), Average Future Daily Traffic: 90 (year 2040), Design Load: HL 93, Features Intersected: PRAIRIE CREEK, Facility Carried by Structure: 76TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 34.205, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Skew: 1 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 9.4m (30.8ft), Curb-To-Curb Width: 9.3m (30.5ft), Out-to-Out Width: 10.1m (33.1ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: Very good, Channel: Very good, Operating Rating: 42.1 metric tons, Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings, Inventory Rating: 32.4 metric tons, Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings, Structural Evaluation: Equal to present desirable criteria, Deck Geometry: Better than present minimum criteria, Waterway Adequacy: Superior to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 2020, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 70071, Location: 082091403 (Lat: 41.919744, Lng: -91.856331), Route carried "on" structure: County highway , Year Built: 2018, Status: Open, Structure Length: 2.44m (8.01ft), Average Daily Traffic: 90 (year 2021), Average Future Daily Traffic: 90 (year 2040), Design Load: HL 93, Features Intersected: PRAIRIE CREEK, Facility Carried by Structure: 76TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 34.205, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Skew: 1 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 9.4m (30.8ft), Curb-To-Curb Width: 9.3m (30.5ft), Out-to-Out Width: 10.1m (33.1ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: Very good, Channel: Very good, Operating Rating: 42.1 metric tons, Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings, Inventory Rating: 32.4 metric tons, Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings, Structural Evaluation: Equal to present desirable criteria, Deck Geometry: Better than present minimum criteria, Waterway Adequacy: Superior to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 2020, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 70081, Location: 082091404 (Lat: 41.908267, Lng: -91.871300), Route carried "on" structure: County highway , Year Built: 1987, Status: Open, Structure Length: 2.90m (9.51ft), Average Daily Traffic: 15 (year 2017), Average Future Daily Traffic: 15 (year 2041), Features Intersected: PRAIRIE CREEK, Facility Carried by Structure: LOCAL (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 3.561, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Material/Design: Steel, Design/Construction: Slab, Number Of Spans In Main Unit: 2, Length of Maximum Span: 15.2m (49.9ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Satisfactory, Channel: Fair, Operating Rating: 57.2 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 32.8 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Better than present minimum criteria, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 9.50m (31.17ft), Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 70081, Location: 082091404 (Lat: 41.908267, Lng: -91.871300), Route carried "on" structure: County highway , Year Built: 1987, Status: Open, Structure Length: 2.90m (9.51ft), Average Daily Traffic: 15 (year 2017), Average Future Daily Traffic: 15 (year 2041), Features Intersected: PRAIRIE CREEK, Facility Carried by Structure: LOCAL (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 3.561, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Material/Design: Steel, Design/Construction: Slab, Number Of Spans In Main Unit: 2, Length of Maximum Span: 15.2m (49.9ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Satisfactory, Channel: Fair, Operating Rating: 57.2 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 32.8 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Better than present minimum criteria, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 9.50m (31.17ft), Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 70131, Location: 082092502 (Lat: 41.881072, Lng: -91.851039), Route carried "on" structure: County highway , Year Built: 1989, Status: Open, Structure Length: 0.76m (2.49ft), Average Daily Traffic: 60 (year 2017), Average Future Daily Traffic: 60 (year 2039), Design Load: HS 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.152, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.7m (12.1ft)
Condition: Channel: Satisfactory, Culverts: Good, Operating Rating: 44.1 metric tons, Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons, Inventory Rating: 32.7 metric tons, Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons, Structural Evaluation: Better than present minimum criteria, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 2.50m (8.20ft), Designated Inspection Frequency: Every 48 months, Inspection Date: March 2019, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
Structure Number: 70131, Location: 082092502 (Lat: 41.881072, Lng: -91.851039), Route carried "on" structure: County highway , Year Built: 1989, Status: Open, Structure Length: 0.76m (2.49ft), Average Daily Traffic: 60 (year 2017), Average Future Daily Traffic: 60 (year 2039), Design Load: HS 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.152, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.9m (25.9ft), Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.7m (12.1ft)
Condition: Channel: Satisfactory, Culverts: Good, Operating Rating: 44.1 metric tons, Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons, Inventory Rating: 32.7 metric tons, Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons, Structural Evaluation: Better than present minimum criteria, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 2.50m (8.20ft), Designated Inspection Frequency: Every 48 months, Inspection Date: March 2019, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
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Structure Number: 10676, Location: 097203004 (Lat: 43.191856, Lng: -93.260425), Route carried "on" structure: County highway , Year Built: 1964, Status: Open, Structure Length: 2.29m (7.51ft), Average Daily Traffic: 3,350 (year 2021), Truck Traffic: 13%, Average Future Daily Traffic: 3,350 (year 2040), Design Load: H 20, Features Intersected: CALMUS CREEK, Facility Carried by Structure: MALLARD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 23.575, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 10.4m (34.1ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 8.8m (28.9ft), Curb-To-Curb Width: 8.6m (28.2ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Satisfactory, Channel: Very good, Operating Rating: 55.8 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 33.2 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 10.20m (33.46ft), Designated Inspection Frequency: Every 24 months, Inspection Date: January 2020, Bridge Improvement Cost: $286,000, Roadway Improvement Cost: $57,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 10676, Location: 097203004 (Lat: 43.191856, Lng: -93.260425), Route carried "on" structure: County highway , Year Built: 1964, Status: Open, Structure Length: 2.29m (7.51ft), Average Daily Traffic: 3,350 (year 2021), Truck Traffic: 13%, Average Future Daily Traffic: 3,350 (year 2040), Design Load: H 20, Features Intersected: CALMUS CREEK, Facility Carried by Structure: MALLARD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 23.575, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 10.4m (34.1ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 8.8m (28.9ft), Curb-To-Curb Width: 8.6m (28.2ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Satisfactory, Channel: Very good, Operating Rating: 55.8 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 33.2 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 10.20m (33.46ft), Designated Inspection Frequency: Every 24 months, Inspection Date: January 2020, Bridge Improvement Cost: $286,000, Roadway Improvement Cost: $57,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 205721, Location: 081080402 (Lat: 41.859872, Lng: -91.792511), Route carried "on" structure: County highway , Year Built: 2008, Status: Open, Structure Length: 0.64m (2.10ft), Average Daily Traffic: 50 (year 2021), Truck Traffic: 34%, Average Future Daily Traffic: 50 (year 2041), Design Load: HL 93, Features Intersected: KNAPP CR, Facility Carried by Structure: CALKINS AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 14.471, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.0m (9.8ft)
Condition: Channel: Satisfactory, Culverts: Good, Operating Rating: 46.7 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: 36.0 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, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 48 months, Inspection Date: April 2021
Structure Number: 205721, Location: 081080402 (Lat: 41.859872, Lng: -91.792511), Route carried "on" structure: County highway , Year Built: 2008, Status: Open, Structure Length: 0.64m (2.10ft), Average Daily Traffic: 50 (year 2021), Truck Traffic: 34%, Average Future Daily Traffic: 50 (year 2041), Design Load: HL 93, Features Intersected: KNAPP CR, Facility Carried by Structure: CALKINS AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 14.471, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.0m (9.8ft)
Condition: Channel: Satisfactory, Culverts: Good, Operating Rating: 46.7 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: 36.0 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, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 48 months, Inspection Date: April 2021
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Structure Number: 205731, Location: 081080501 (Lat: 41.861903, Lng: -91.793364), Route carried "on" structure: County highway , Year Built: 1974, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 60 (year 2018), Average Future Daily Traffic: 60 (year 2041), Design Load: HL 93, Features Intersected: STREAM, Facility Carried by Structure: LINN-JOHNSON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 3.154, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.0m (9.8ft)
Condition: Channel: Satisfactory, Culverts: Satisfactory, Operating Rating: 46.7 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: 36.0 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: Equal to present minimum criteria, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 48 months, Inspection Date: April 2021
Structure Number: 205731, Location: 081080501 (Lat: 41.861903, Lng: -91.793364), Route carried "on" structure: County highway , Year Built: 1974, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 60 (year 2018), Average Future Daily Traffic: 60 (year 2041), Design Load: HL 93, Features Intersected: STREAM, Facility Carried by Structure: LINN-JOHNSON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 3.154, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.0m (9.8ft)
Condition: Channel: Satisfactory, Culverts: Satisfactory, Operating Rating: 46.7 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: 36.0 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: Equal to present minimum criteria, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 48 months, Inspection Date: April 2021
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Structure Number: 205741, Location: 081080601 (Lat: 41.861853, Lng: -91.827292), Route carried "on" structure: County highway , Year Built: 1984, Status: Open, Structure Length: 3.87m (12.70ft), Average Daily Traffic: 45 (year 2018), Truck Traffic: 29%, Average Future Daily Traffic: 45 (year 2041), Design Load: HS 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: LINN-JOHNSON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.338, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.8m (28.9ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 14.0m (45.9ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 10.1m (33.1ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 54.0 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 32.3 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Better than present minimum criteria, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 205741, Location: 081080601 (Lat: 41.861853, Lng: -91.827292), Route carried "on" structure: County highway , Year Built: 1984, Status: Open, Structure Length: 3.87m (12.70ft), Average Daily Traffic: 45 (year 2018), Truck Traffic: 29%, Average Future Daily Traffic: 45 (year 2041), Design Load: HS 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: LINN-JOHNSON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.338, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.8m (28.9ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 14.0m (45.9ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 10.1m (33.1ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 54.0 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 32.3 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Better than present minimum criteria, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 20575, Location: 081080602 (Lat: 41.858344, Lng: -91.831331), Route carried "on" structure: County highway , Year Built: 1966, Status: Posted for load, Structure Length: 0.79m (2.59ft), Average Daily Traffic: 710 (year 2021), Truck Traffic: 19%, Average Future Daily Traffic: 710 (year 2041), Design Load: HS 20, Features Intersected: STREAM, Facility Carried by Structure: FM JOHNS-IOWA R
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 28.289, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Skew: 3 degrees, Material/Design: Concrete, Design/Construction: Slab, Number Of Spans In Main Unit: 1, Length of Maximum Span: 7.9m (25.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.3m (30.5ft)
Condition: Deck: Satisfactory, Superstructure: Satisfactory, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 30.6 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 17.1 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: Equal to present desirable criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below), Length Of Structure Improvement: 4.00m (13.12ft), Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Bridge Improvement Cost: $70,000, Roadway Improvement Cost: $30,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 20575, Location: 081080602 (Lat: 41.858344, Lng: -91.831331), Route carried "on" structure: County highway , Year Built: 1966, Status: Posted for load, Structure Length: 0.79m (2.59ft), Average Daily Traffic: 710 (year 2021), Truck Traffic: 19%, Average Future Daily Traffic: 710 (year 2041), Design Load: HS 20, Features Intersected: STREAM, Facility Carried by Structure: FM JOHNS-IOWA R
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 28.289, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Skew: 3 degrees, Material/Design: Concrete, Design/Construction: Slab, Number Of Spans In Main Unit: 1, Length of Maximum Span: 7.9m (25.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.3m (30.5ft)
Condition: Deck: Satisfactory, Superstructure: Satisfactory, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 30.6 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 17.1 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: Equal to present desirable criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below), Length Of Structure Improvement: 4.00m (13.12ft), Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Bridge Improvement Cost: $70,000, Roadway Improvement Cost: $30,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 205761, Location: 081080604 (Lat: 41.858903, Lng: -91.816878), Route carried "on" structure: County highway , Year Built: 1995, Status: Open, Structure Length: 3.51m (11.52ft), Average Daily Traffic: 10 (year 2021), Average Future Daily Traffic: 10 (year 2041), Design Load: HS 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: NW BAXTER AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 8.604, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 5.8m (19.0ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 13.4m (44.0ft), Curb-To-Curb Width: 7.4m (24.3ft), Out-to-Out Width: 7.6m (24.9ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 51.3 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 30.7 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: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Deck Structure Type: Concrete Cast-file-Place
Structure Number: 205761, Location: 081080604 (Lat: 41.858903, Lng: -91.816878), Route carried "on" structure: County highway , Year Built: 1995, Status: Open, Structure Length: 3.51m (11.52ft), Average Daily Traffic: 10 (year 2021), Average Future Daily Traffic: 10 (year 2041), Design Load: HS 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: NW BAXTER AVE
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 8.604, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 5.8m (19.0ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 13.4m (44.0ft), Curb-To-Curb Width: 7.4m (24.3ft), Out-to-Out Width: 7.6m (24.9ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 51.3 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 30.7 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: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 20577, Location: 081080801 (Lat: 41.847550, Lng: -91.796678), Route carried "on" structure: County highway , Year Built: 1966, Status: Open, Structure Length: 3.14m (10.30ft), Average Daily Traffic: 1,200 (year 2018), Truck Traffic: 12%, Average Future Daily Traffic: 1,200 (year 2041), Design Load: HS 20, Features Intersected: STREAM, Facility Carried by Structure: NW 120TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.865, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 11.9m (39.0ft), Curb-To-Curb Width: 8.6m (28.2ft), Out-to-Out Width: 9.3m (30.5ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 56.7 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 30.7 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 15.00m (49.21ft), Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Bridge Improvement Cost: $250,000, Roadway Improvement Cost: $30,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 20577, Location: 081080801 (Lat: 41.847550, Lng: -91.796678), Route carried "on" structure: County highway , Year Built: 1966, Status: Open, Structure Length: 3.14m (10.30ft), Average Daily Traffic: 1,200 (year 2018), Truck Traffic: 12%, Average Future Daily Traffic: 1,200 (year 2041), Design Load: HS 20, Features Intersected: STREAM, Facility Carried by Structure: NW 120TH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.865, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 11.9m (39.0ft), Curb-To-Curb Width: 8.6m (28.2ft), Out-to-Out Width: 9.3m (30.5ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 56.7 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 30.7 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 15.00m (49.21ft), Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Bridge Improvement Cost: $250,000, Roadway Improvement Cost: $30,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 205821, Location: 081081601 (Lat: 41.832989, Lng: -91.789253), Route carried "on" structure: County highway , Year Built: 1987, Status: Open, Structure Length: 3.90m (12.80ft), Average Daily Traffic: 50 (year 2018), Average Future Daily Traffic: 50 (year 2041), Design Load: HS 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: 140TH ST NW
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 3.470, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 14.9m (48.9ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.3m (24.0ft)
Condition: Deck: Satisfactory, Superstructure: Satisfactory, Substructure: Good, Channel: Good, Operating Rating: 56.6 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 19.4 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 desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 13.00m (42.65ft), Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Bridge Improvement Cost: $210,000, Roadway Improvement Cost: $50,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 205821, Location: 081081601 (Lat: 41.832989, Lng: -91.789253), Route carried "on" structure: County highway , Year Built: 1987, Status: Open, Structure Length: 3.90m (12.80ft), Average Daily Traffic: 50 (year 2018), Average Future Daily Traffic: 50 (year 2041), Design Load: HS 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: 140TH ST NW
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 3.470, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 14.9m (48.9ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.3m (24.0ft)
Condition: Deck: Satisfactory, Superstructure: Satisfactory, Substructure: Good, Channel: Good, Operating Rating: 56.6 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 19.4 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 desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 13.00m (42.65ft), Designated Inspection Frequency: Every 24 months, Inspection Date: April 2021, Bridge Improvement Cost: $210,000, Roadway Improvement Cost: $50,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 2204, Location: 082080704 (Lat: 41.923236, Lng: -91.832494), Route carried "on" structure: County highway , Year Built: 1947, Status: Posted for load-capacity, Structure Length: 5.58m (18.31ft), Average Daily Traffic: 140 (year 2017), Average Future Daily Traffic: 140 (year 2040), Design Load: H 15, Features Intersected: PRAIRIE CREEK, Facility Carried by Structure: LINN-BENTON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 6.249, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 21.3m (69.9ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.7m (22.0ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Fair, Channel: Good, Operating Rating: 25.9 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: 20.1 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: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 20.00m (65.62ft), Designated Inspection Frequency: Every 24 months, Inspection Date: August 2020, Bridge Improvement Cost: $250,000, Roadway Improvement Cost: $50,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 2204, Location: 082080704 (Lat: 41.923236, Lng: -91.832494), Route carried "on" structure: County highway , Year Built: 1947, Status: Posted for load-capacity, Structure Length: 5.58m (18.31ft), Average Daily Traffic: 140 (year 2017), Average Future Daily Traffic: 140 (year 2040), Design Load: H 15, Features Intersected: PRAIRIE CREEK, Facility Carried by Structure: LINN-BENTON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 6.249, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 21.3m (69.9ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.7m (22.0ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Fair, Channel: Good, Operating Rating: 25.9 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: 20.1 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: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 20.00m (65.62ft), Designated Inspection Frequency: Every 24 months, Inspection Date: August 2020, Bridge Improvement Cost: $250,000, Roadway Improvement Cost: $50,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 22047, Location: Benton-Linn Road (Lat: 41.878564, Lng: -91.831572), Route carried "on" structure: County highway , Year Built: 1972, Status: Open, Structure Length: 0.64m (2.10ft), Average Daily Traffic: 1,530 (year 2021), Truck Traffic: 2%, Average Future Daily Traffic: 1,530 (year 2041), Design Load: H 20, Features Intersected: TRIB TO KNAPP CREEK, Facility Carried by Structure: LINN-BENTON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.674, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 11.0m (36.1ft), Skew: 1 degrees, Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.0m (9.8ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Channel: Good, Culverts: Satisfactory, Operating Rating: 46.7 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: 36.0 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: Equal to present minimum criteria, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 2021
Structure Number: 22047, Location: Benton-Linn Road (Lat: 41.878564, Lng: -91.831572), Route carried "on" structure: County highway , Year Built: 1972, Status: Open, Structure Length: 0.64m (2.10ft), Average Daily Traffic: 1,530 (year 2021), Truck Traffic: 2%, Average Future Daily Traffic: 1,530 (year 2041), Design Load: H 20, Features Intersected: TRIB TO KNAPP CREEK, Facility Carried by Structure: LINN-BENTON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.674, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 11.0m (36.1ft), Skew: 1 degrees, Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.0m (9.8ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Channel: Good, Culverts: Satisfactory, Operating Rating: 46.7 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: 36.0 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: Equal to present minimum criteria, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 2021
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Structure Number: 22048, Location: 082083108 (Lat: 41.864914, Lng: -91.831408), Route carried "on" structure: County highway , Year Built: 1972, Status: Open, Structure Length: 2.77m (9.09ft), Average Daily Traffic: 710 (year 2021), Truck Traffic: 19%, Average Future Daily Traffic: 710 (year 2040), Design Load: H 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: LINN-BENTON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.341, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 11.0m (36.1ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 10.4m (34.1ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 9.8m (32.2ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 34.3 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: 26.6 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: Somewhat better than minimum adequacy, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: August 2020, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 22048, Location: 082083108 (Lat: 41.864914, Lng: -91.831408), Route carried "on" structure: County highway , Year Built: 1972, Status: Open, Structure Length: 2.77m (9.09ft), Average Daily Traffic: 710 (year 2021), Truck Traffic: 19%, Average Future Daily Traffic: 710 (year 2040), Design Load: H 20, Features Intersected: KNAPP CREEK, Facility Carried by Structure: LINN-BENTON RD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.341, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 11.0m (36.1ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 10.4m (34.1ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 9.8m (32.2ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 34.3 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: 26.6 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: Somewhat better than minimum adequacy, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: August 2020, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete