Ia 31 over Silver Creek
Fair Condition77 years old1,180 vehicles/day
Location
| State | Iowa |
| County | Cherokee |
| Location | 1.2 Mi. W Of US 59 |
| Carries | Ia 31 |
| Crosses | Silver Creek |
| Coordinates | 42.63405, -95.58272 |
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 | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 66.6 sq m |
| Main Spans | 2 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 1,180 (2022) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000019530 |