Bridge Statistics for Twin Lakes, Iowa (IA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs
- National Bridge Inventory (NBI) Statistics
- 14Number of bridges
- 112ft / 34.3mTotal length
- 14,255Total average daily traffic
- 4,202Total average daily truck traffic
- National Bridge Inventory (NBI) Registered Bridges for Twin Lakes
- No street view available for this location
- New bridges - historical statistics
- 11900-1909
- 11910-1919
- 11960-1969
- 21970-1979
- 31980-1989
- 11990-1999
- 12000-2009
- 42010-2019
- Bridge Condition - Deck
- 18.2%Very good
- 45.5%Good
- 9.1%Satisfactory
- 9.1%Fair
- 18.2%Poor
- Bridge Condition - Superstructure
- 18.2%Very good
- 45.5%Good
- 18.2%Satisfactory
- 9.1%Fair
- 9.1%Poor
- Bridge Condition - Substructure
- 27.3%Very good
- 36.4%Good
- 9.1%Satisfactory
- 18.2%Fair
- 9.1%Poor
- Bridge Condition - Channel
- 60.0%Good
- 30.0%Satisfactory
- 10.0%Fair
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Structure Number: 16971, Location: 4.6 mi. E of E jct. IA 4 (Lat: 42.517183, Lng: -94.588797), Route carried "on" structure: State highway 7, Year Built: 1989, Status: Open, Structure Length: 4.08m (13.39ft), Average Daily Traffic: 1,130 (year 2020), Truck Traffic: 14%, Average Future Daily Traffic: 1,130 (year 2040), Design Load: HS 20, Features Intersected: LAKE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 88.451, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 11.6m (38.1ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 15.5m (50.9ft), Curb-To-Curb Width: 12.3m (40.4ft), Out-to-Out Width: 13.2m (43.3ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Very good, Channel: Good, Operating Rating: 83.3 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 50.0 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 minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: October 2020, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete, Deck Protection: Epoxy Coated Reinforcing
Structure Number: 16971, Location: 4.6 mi. E of E jct. IA 4 (Lat: 42.517183, Lng: -94.588797), Route carried "on" structure: State highway 7, Year Built: 1989, Status: Open, Structure Length: 4.08m (13.39ft), Average Daily Traffic: 1,130 (year 2020), Truck Traffic: 14%, Average Future Daily Traffic: 1,130 (year 2040), Design Load: HS 20, Features Intersected: LAKE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 88.451, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 11.6m (38.1ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 15.5m (50.9ft), Curb-To-Curb Width: 12.3m (40.4ft), Out-to-Out Width: 13.2m (43.3ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Very good, Channel: Good, Operating Rating: 83.3 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 50.0 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 minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: October 2020, 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: 9188, Location: 088320503 (Lat: 42.473681, Lng: -94.598083), Route carried "on" structure: County highway , Year Built: 1966, Status: Open, Structure Length: 2.10m (6.89ft), Average Daily Traffic: 290 (year 2019), Truck Traffic: 16%, Average Future Daily Traffic: 290 (year 2041), Design Load: H 20, Features Intersected: DD 9-13, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 23.744, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 20.7m (67.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Poor, Superstructure: Satisfactory, Substructure: Good, Channel: Good, Operating Rating: 40.8 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 27.1 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: Better than present minimum criteria, Length Of Structure Improvement: 10.00m (32.81ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2021, Bridge Improvement Cost: $135,000, Roadway Improvement Cost: $10,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 9188, Location: 088320503 (Lat: 42.473681, Lng: -94.598083), Route carried "on" structure: County highway , Year Built: 1966, Status: Open, Structure Length: 2.10m (6.89ft), Average Daily Traffic: 290 (year 2019), Truck Traffic: 16%, Average Future Daily Traffic: 290 (year 2041), Design Load: H 20, Features Intersected: DD 9-13, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 23.744, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 20.7m (67.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Poor, Superstructure: Satisfactory, Substructure: Good, Channel: Good, Operating Rating: 40.8 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 27.1 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: Better than present minimum criteria, Length Of Structure Improvement: 10.00m (32.81ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2021, Bridge Improvement Cost: $135,000, Roadway Improvement Cost: $10,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 91891, Location: 088320801 (Lat: 42.456964, Lng: -94.599889), Route carried "on" structure: County highway , Year Built: 1990, Status: Open, Structure Length: 2.38m (7.81ft), Average Daily Traffic: 20 (year 2019), Average Future Daily Traffic: 20 (year 2039), Design Load: HS 20, Features Intersected: LAKE CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 14.046, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.3m (24.0ft), 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: 7.5m (24.6ft), Out-to-Out Width: 8.3m (27.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 75.7 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 45.4 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: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 48 months, Inspection Date: July 2019, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 91891, Location: 088320801 (Lat: 42.456964, Lng: -94.599889), Route carried "on" structure: County highway , Year Built: 1990, Status: Open, Structure Length: 2.38m (7.81ft), Average Daily Traffic: 20 (year 2019), Average Future Daily Traffic: 20 (year 2039), Design Load: HS 20, Features Intersected: LAKE CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 14.046, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.3m (24.0ft), 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: 7.5m (24.6ft), Out-to-Out Width: 8.3m (27.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Satisfactory, Operating Rating: 75.7 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 45.4 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: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 48 months, Inspection Date: July 2019, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 92081, Location: 088331001 (Lat: 42.456842, Lng: -94.677831), Route carried "on" structure: County highway , Year Built: 1983, Status: Open, Structure Length: 2.38m (7.81ft), Average Daily Traffic: 15 (year 2019), Average Future Daily Traffic: 15 (year 2039), Design Load: H 20, Features Intersected: DRAINAGE DITCH #67, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 10.289, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 5.8m (19.0ft), Skew: 3 degrees, 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: 9.1m (29.9ft), Out-to-Out Width: 9.8m (32.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Good, Operating Rating: 52.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 33.0 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), 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 48 months, Inspection Date: July 2019, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 92081, Location: 088331001 (Lat: 42.456842, Lng: -94.677831), Route carried "on" structure: County highway , Year Built: 1983, Status: Open, Structure Length: 2.38m (7.81ft), Average Daily Traffic: 15 (year 2019), Average Future Daily Traffic: 15 (year 2039), Design Load: H 20, Features Intersected: DRAINAGE DITCH #67, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 10.289, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 5.8m (19.0ft), Skew: 3 degrees, 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: 9.1m (29.9ft), Out-to-Out Width: 9.8m (32.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Good, Operating Rating: 52.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 33.0 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), 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 48 months, Inspection Date: July 2019, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 92101, Location: 088331502 (Lat: 42.440586, Lng: -94.689056), Route carried "on" structure: County highway , Year Built: 1976, Status: Open, Structure Length: 2.38m (7.81ft), Average Daily Traffic: 45 (year 2019), Average Future Daily Traffic: 45 (year 2039), Design Load: H 20, Features Intersected: DD 67, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 19.092, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.2m (26.9ft), Skew: 3 degrees, 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: 9.1m (29.9ft), Out-to-Out Width: 9.8m (32.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Satisfactory, Channel: Good, Operating Rating: 52.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 33.0 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: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 48 months, Inspection Date: July 2019, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 92101, Location: 088331502 (Lat: 42.440586, Lng: -94.689056), Route carried "on" structure: County highway , Year Built: 1976, Status: Open, Structure Length: 2.38m (7.81ft), Average Daily Traffic: 45 (year 2019), Average Future Daily Traffic: 45 (year 2039), Design Load: H 20, Features Intersected: DD 67, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 19.092, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.2m (26.9ft), Skew: 3 degrees, 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: 9.1m (29.9ft), Out-to-Out Width: 9.8m (32.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Satisfactory, Channel: Good, Operating Rating: 52.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 33.0 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: Equal to present desirable criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 48 months, Inspection Date: July 2019, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 92561, Location: 089321402 (Lat: 42.522244, Lng: -94.599464), Route carried "on" structure: County highway , Year Built: 1986, Status: Open, Structure Length: 2.74m (8.99ft), Average Daily Traffic: 45 (year 2019), Average Future Daily Traffic: 45 (year 2039), Design Load: H 20, Features Intersected: DRAINAGE DITCH(LAKE CR), Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 5.393, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), 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: 7.4m (24.3ft), Out-to-Out Width: 8.3m (27.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Good, Operating Rating: 59.2 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 34.1 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 48 months, Inspection Date: July 2019, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 92561, Location: 089321402 (Lat: 42.522244, Lng: -94.599464), Route carried "on" structure: County highway , Year Built: 1986, Status: Open, Structure Length: 2.74m (8.99ft), Average Daily Traffic: 45 (year 2019), Average Future Daily Traffic: 45 (year 2039), Design Load: H 20, Features Intersected: DRAINAGE DITCH(LAKE CR), Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 5.393, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), 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: 7.4m (24.3ft), Out-to-Out Width: 8.3m (27.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Good, Operating Rating: 59.2 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 34.1 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 48 months, Inspection Date: July 2019, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 9257, Location: 089321502 (Lat: 42.520936, Lng: -94.618764), Route carried "on" structure: County highway , Year Built: 1900, Status: Open, Structure Length: 1.95m (6.40ft), Average Daily Traffic: 40 (year 2019), Average Future Daily Traffic: 40 (year 2041), Features Intersected: DD 9-13, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 5.655, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 7.9m (25.9ft), Curb-To-Curb Width: 5.5m (18.0ft), Out-to-Out Width: 5.9m (19.4ft)
Condition: Deck: Poor, Superstructure: Fair, Substructure: Fair, Channel: Satisfactory, Operating Rating: 31.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 21.2 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: Equal to present desirable criteria, Length Of Structure Improvement: 12.00m (39.37ft), Designated Inspection Frequency: Every 24 months, Inspection Date: July 2021, Bridge Improvement Cost: $120,000, Roadway Improvement Cost: $1,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 9257, Location: 089321502 (Lat: 42.520936, Lng: -94.618764), Route carried "on" structure: County highway , Year Built: 1900, Status: Open, Structure Length: 1.95m (6.40ft), Average Daily Traffic: 40 (year 2019), Average Future Daily Traffic: 40 (year 2041), Features Intersected: DD 9-13, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 5.655, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 7.9m (25.9ft), Curb-To-Curb Width: 5.5m (18.0ft), Out-to-Out Width: 5.9m (19.4ft)
Condition: Deck: Poor, Superstructure: Fair, Substructure: Fair, Channel: Satisfactory, Operating Rating: 31.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 21.2 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: Equal to present desirable criteria, Length Of Structure Improvement: 12.00m (39.37ft), Designated Inspection Frequency: Every 24 months, Inspection Date: July 2021, Bridge Improvement Cost: $120,000, Roadway Improvement Cost: $1,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 92591, Location: 089322601 (Lat: 42.502589, Lng: -94.597339), Route carried "on" structure: County highway , Year Built: 1973, Status: Open, Structure Length: 2.77m (9.09ft), Average Daily Traffic: 20 (year 2019), Average Future Daily Traffic: 20 (year 2041), Design Load: H 20, Features Intersected: DD 9-13, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 21.840, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), 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: Satisfactory, Superstructure: Satisfactory, Substructure: Fair, Channel: Satisfactory, Operating Rating: 48.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 30.4 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, 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: July 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 92591, Location: 089322601 (Lat: 42.502589, Lng: -94.597339), Route carried "on" structure: County highway , Year Built: 1973, Status: Open, Structure Length: 2.77m (9.09ft), Average Daily Traffic: 20 (year 2019), Average Future Daily Traffic: 20 (year 2041), Design Load: H 20, Features Intersected: DD 9-13, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 21.840, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), 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: Satisfactory, Superstructure: Satisfactory, Substructure: Fair, Channel: Satisfactory, Operating Rating: 48.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 30.4 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, 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: July 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 926, Location: 089323501 (Lat: 42.488111, Lng: -94.593778), Route carried "on" structure: County highway , Year Built: 1917, Status: Posted for load, Structure Length: 1.16m (3.81ft), Average Daily Traffic: 20 (year 2019), Average Future Daily Traffic: 20 (year 2040), Features Intersected: LAKE CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 22.911, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), Material/Design: Concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.3m (37.1ft), Curb-To-Curb Width: 5.5m (18.0ft), Out-to-Out Width: 6.0m (19.7ft)
Condition: Deck: Fair, Superstructure: Poor, Substructure: Poor, Channel: Fair, Operating Rating: 38.5 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 21.4 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: 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: 8.50m (27.89ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2020, Bridge Improvement Cost: $100,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Gravel
Structure Number: 926, Location: 089323501 (Lat: 42.488111, Lng: -94.593778), Route carried "on" structure: County highway , Year Built: 1917, Status: Posted for load, Structure Length: 1.16m (3.81ft), Average Daily Traffic: 20 (year 2019), Average Future Daily Traffic: 20 (year 2040), Features Intersected: LAKE CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 22.911, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.7m (22.0ft), Material/Design: Concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.3m (37.1ft), Curb-To-Curb Width: 5.5m (18.0ft), Out-to-Out Width: 6.0m (19.7ft)
Condition: Deck: Fair, Superstructure: Poor, Substructure: Poor, Channel: Fair, Operating Rating: 38.5 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 21.4 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: 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: 8.50m (27.89ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 2020, Bridge Improvement Cost: $100,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 609735, Location: US 20 over IA 4 (Lat: 42.449725, Lng: -94.670000), Route carried "on" structure: US 20, Year Built: 2012, Status: Open, Structure Length: 5.82m (19.09ft), Average Daily Traffic: 2,175 (year 2020), Truck Traffic: 32%, Average Future Daily Traffic: 2,175 (year 2041), Design Load: HL 93, Features Intersected: IA 4
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 144.582, Lanes on structure: 2, Lanes under structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 12.2m (40.0ft), Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 32.5m (106.6ft), Curb-To-Curb Width: 12.2m (40.0ft), Out-to-Out Width: 13.2m (43.3ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: 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, Underclear: Better than present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete, Deck Protection: Epoxy Coated Reinforcing
Structure Number: 609735, Location: US 20 over IA 4 (Lat: 42.449725, Lng: -94.670000), Route carried "on" structure: US 20, Year Built: 2012, Status: Open, Structure Length: 5.82m (19.09ft), Average Daily Traffic: 2,175 (year 2020), Truck Traffic: 32%, Average Future Daily Traffic: 2,175 (year 2041), Design Load: HL 93, Features Intersected: IA 4
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 144.582, Lanes on structure: 2, Lanes under structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 12.2m (40.0ft), Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 32.5m (106.6ft), Curb-To-Curb Width: 12.2m (40.0ft), Out-to-Out Width: 13.2m (43.3ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: 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, Underclear: Better than present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 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: 60974, Location: U.S. 20 Over IA 4 (Lat: 42.449975, Lng: -94.668889), Route carried "on" structure: US 20, Year Built: 2012, Status: Open, Structure Length: 5.82m (19.09ft), Average Daily Traffic: 2,175 (year 2020), Truck Traffic: 32%, Average Future Daily Traffic: 2,175 (year 2041), Design Load: HL 93, Features Intersected: IA 4
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 338.511, Lanes on structure: 2, Lanes under structure: 2, Owner: State Highway Agency, Approaching Roadway Width: 12.2m (40.0ft), Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 32.5m (106.6ft), Curb-To-Curb Width: 12.2m (40.0ft), Out-to-Out Width: 13.2m (43.3ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: 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, Underclear: Better than present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 2021, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete, Deck Protection: Epoxy Coated Reinforcing
Structure Number: 60974, Location: U.S. 20 Over IA 4 (Lat: 42.449975, Lng: -94.668889), Route carried "on" structure: US 20, Year Built: 2012, Status: Open, Structure Length: 5.82m (19.09ft), Average Daily Traffic: 2,175 (year 2020), Truck Traffic: 32%, Average Future Daily Traffic: 2,175 (year 2041), Design Load: HL 93, Features Intersected: IA 4
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 338.511, Lanes on structure: 2, Lanes under structure: 2, Owner: State Highway Agency, Approaching Roadway Width: 12.2m (40.0ft), Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 32.5m (106.6ft), Curb-To-Curb Width: 12.2m (40.0ft), Out-to-Out Width: 13.2m (43.3ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: 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, Underclear: Better than present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Designated Inspection Frequency: Every 24 months, Inspection Date: March 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: 60993, Location: 3.0 mi. E of Jct. IA 4 (Lat: 42.449536, Lng: -94.610317), Route carried "on" structure: US 20, Year Built: 2008, Status: Open, Structure Length: 0.76m (2.49ft), Average Daily Traffic: 6,200 (year 2020), Truck Traffic: 33%, Average Future Daily Traffic: 6,200 (year 2041), Design Load: HS 20, Features Intersected: DD 9 & 13
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 149.490, Lanes on structure: 4, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 12.2m (40.0ft), Skew: 21 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: Good, Culverts: Good, 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: 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: May 2021
Structure Number: 60993, Location: 3.0 mi. E of Jct. IA 4 (Lat: 42.449536, Lng: -94.610317), Route carried "on" structure: US 20, Year Built: 2008, Status: Open, Structure Length: 0.76m (2.49ft), Average Daily Traffic: 6,200 (year 2020), Truck Traffic: 33%, Average Future Daily Traffic: 6,200 (year 2041), Design Load: HS 20, Features Intersected: DD 9 & 13
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 149.490, Lanes on structure: 4, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 12.2m (40.0ft), Skew: 21 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: Good, Culverts: Good, 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: 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: May 2021
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Structure Number: 609735, Location: US 20 over IA 4 (Lat: 42.449725, Lng: -94.670000), Route carried "under" structure: State highway 4, Year Built: 2012, Structure Length: 0. m, Average Daily Traffic: 1,040 (year 2020), Truck Traffic: 27%, Features Intersected: IA 4, Facility Carried by Structure: US 20 EB
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 108.405, Lanes on structure: 2, Lanes under structure: 2, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 32.5m (106.6ft)
Structure Number: 609735, Location: US 20 over IA 4 (Lat: 42.449725, Lng: -94.670000), Route carried "under" structure: State highway 4, Year Built: 2012, Structure Length: 0. m, Average Daily Traffic: 1,040 (year 2020), Truck Traffic: 27%, Features Intersected: IA 4, Facility Carried by Structure: US 20 EB
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 108.405, Lanes on structure: 2, Lanes under structure: 2, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 32.5m (106.6ft)
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Structure Number: 60974, Location: U.S. 20 Over IA 4 (Lat: 42.449975, Lng: -94.668889), Route carried "under" structure: State highway 4, Year Built: 2012, Structure Length: 0. m, Average Daily Traffic: 1,040 (year 2020), Truck Traffic: 27%, Features Intersected: IA 4, Facility Carried by Structure: US 20 WB
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 108.434, Lanes on structure: 2, Lanes under structure: 2, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 32.5m (106.6ft)
Structure Number: 60974, Location: U.S. 20 Over IA 4 (Lat: 42.449975, Lng: -94.668889), Route carried "under" structure: State highway 4, Year Built: 2012, Structure Length: 0. m, Average Daily Traffic: 1,040 (year 2020), Truck Traffic: 27%, Features Intersected: IA 4, Facility Carried by Structure: US 20 WB
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 108.434, Lanes on structure: 2, Lanes under structure: 2, Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 32.5m (106.6ft)