Ia 1 SB over I-80
Good Condition64 years old9,350 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | At Jct. I-80 |
| Carries | Ia 1 SB |
| Crosses | I-80 |
| Coordinates | 41.68703, -91.49939 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 255.6 ft (77.9 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 833.5 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 | 000000000031780 |