Ia 31 over Silver Creek
Fair Condition76 years old1,180 vehicles/day
Location
| State | Iowa |
| County | Cherokee |
| Location | 1.0 Mi. W Of US 59 |
| Carries | Ia 31 |
| Crosses | Silver Creek |
| Coordinates | 42.63402, -95.57449 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 153.9 ft (46.9 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 459.6 sq m |
| Main Spans | 3 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 1,180 (2022) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000019540 |