US 71 over Willow Creek
Fair Condition103 years old3,940 vehicles/day
Location
| State | Iowa |
| County | Clay |
| Location | 3.4 Mi. N Of N Jct Ia 10 |
| Carries | US 71 |
| Crosses | Willow Creek |
| Coordinates | 42.97247, -95.16140 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 70.9 ft (21.6 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 226.8 sq m |
| Main Spans | 2 |
| Year Built | 1923 (reconstructed 1955) |
Traffic
| Avg Daily Traffic | 3,940 (2022) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000020390 |