SB US 61 over Silver Creek
Good Condition30 years old4,600 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | 6.4 Mi. S Of Jct. Ia #136 |
| Carries | SB US 61 |
| Crosses | Silver Creek |
| Coordinates | 41.92471, -90.60381 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 83.0 ft (25.3 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 331.4 sq m |
| Main Spans | 3 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 4,600 (2022) |
| Truck Traffic | 22% |
| 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 | 000000000606365 |