Ia 1 SB over Iowa River
Good Condition57 years old10,950 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | In Iowa City |
| Carries | Ia 1 SB |
| Crosses | Iowa River |
| Coordinates | 41.65809, -91.54037 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 355.0 ft (108.2 m) |
| Max Span | 124.0 ft (37.8 m) |
| Deck Width | 63.6 ft (19.4 m) |
| Deck Area | 2099.1 sq m |
| Main Spans | 3 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 10,950 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 23 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000031730 |