W 11th ST over Silver Creek
Good Condition36 years old8,900 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | 000000000 |
| Carries | W 11th ST |
| Crosses | Silver Creek |
| Coordinates | 41.82571, -90.55986 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 150.9 ft (46 m) |
| Max Span | 55.1 ft (16.8 m) |
| Deck Width | 65.0 ft (19.8 m) |
| Deck Area | 910.8 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 8,900 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000020791 |