284th Street over Silver Creek Branch
Fair Condition67 years old568 vehicles/day
Location
| State | Iowa |
| County | Mills |
| Location | 072420202 |
| Carries | 284th Street |
| Crosses | Silver Creek Branch |
| Coordinates | 41.06192, -95.64224 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 28.9 ft (8.8 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Area | 102.1 sq m |
| Main Spans | 2 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 568 (2022) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000036080 |