SR N-54 over I-80
Fair Condition68 years old2,158 vehicles/day
Location
| State | Iowa |
| County | Adair |
| Location | At Jct. SR N-54 |
| Carries | SR N-54 |
| Crosses | I-80 |
| Coordinates | 41.49290, -94.64349 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 222.1 ft (67.7 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 704.1 sq m |
| Main Spans | 4 |
| Year Built | 1958 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 2,158 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000013120 |