Main ST Old US 61 over Silver Creek
Good Condition100 years old200 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | 000000000 |
| Carries | Main ST Old US 61 |
| Crosses | Silver Creek |
| Coordinates | 41.91496, -90.59987 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 227.8 sq m |
| Main Spans | 1 |
| Year Built | 1926 (reconstructed 1960) |
Traffic
| Avg Daily Traffic | 200 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000020900 |