Ia 1 over Walnut Creek
Fair Condition20 years old2,340 vehicles/day
Location
| State | Iowa |
| County | Washington |
| Location | 4.0 Mi. N Of Jct Ia 78 |
| Carries | Ia 1 |
| Crosses | Walnut Creek |
| Coordinates | 41.22383, -91.77787 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 39.0 ft (11.9 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 130.9 sq m |
| Main Spans | 3 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 2,340 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000051611 |