290th Street over Silver Creek
Fair Condition62 years old757 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 074421204 |
| Carries | 290th Street |
| Crosses | Silver Creek |
| Coordinates | 41.22873, -95.63139 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
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 | 30.2 ft (9.2 m) |
| Deck Area | 431.5 sq m |
| Main Spans | 3 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 757 (2022) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000284670 |