Ia 1 NB over Iowa River
Poor Condition111 years old10,950 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | 079061000 |
| Carries | Ia 1 NB |
| Crosses | Iowa River |
| Coordinates | 41.65794, -91.54165 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Arch - Deck |
| Total Length | 341.9 ft (104.2 m) |
| Max Span | 113.8 ft (34.7 m) |
| Deck Width | 49.5 ft (15.1 m) |
| Deck Area | 1573.4 sq m |
| Main Spans | 3 |
| Year Built | 1915 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 10,950 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000031720 |