FM 480th ST over Little Sioux River
Poor Condition72 years old369 vehicles/day
Location
| State | Iowa |
| County | Clay |
| Location | 094362001 |
| Carries | FM 480th ST |
| Crosses | Little Sioux River |
| Coordinates | 42.95504, -95.12665 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 378.0 ft (115.2 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 1,152 sq m |
| Main Spans | 5 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 369 (2022) |
| Truck Traffic | 30% |
| 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 | 000000000020450 |