FM 400th ST over Willow Creek
Fair Condition58 years old797 vehicles/day
Location
| State | Iowa |
| County | Clay |
| Location | 095380801 |
| Carries | FM 400th ST |
| Crosses | Willow Creek |
| Coordinates | 43.06878, -95.36810 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 75.1 ft (22.9 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 224.4 sq m |
| Main Spans | 3 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 797 (2022) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000116390 |