Ia 1 NB over I-80
Good Condition64 years old9,350 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | At Jct. I-80 |
| Carries | Ia 1 NB |
| Crosses | I-80 |
| Coordinates | 41.68639, -91.49944 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 239.5 ft (73 m) |
| Max Span | 65.9 ft (20.1 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 781.1 sq m |
| Main Spans | 4 |
| Year Built | 1962 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 9,350 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000031770 |