SB US 61 over Silver Creek
Good Condition45 years old7,050 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | 0.5 Mi. S Of Jct.us 30 |
| Carries | SB US 61 |
| Crosses | Silver Creek |
| Coordinates | 41.80291, -90.56737 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 196.9 ft (60 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 1,026 sq m |
| Main Spans | 3 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 7,050 (2022) |
| Truck Traffic | 17% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000604530 |