N-70 over Willow Creek
Fair Condition22 years old428 vehicles/day
Location
| State | Iowa |
| County | Guthrie |
| Location | 081321006 |
| Carries | N-70 |
| Crosses | Willow Creek |
| Coordinates | 41.84232, -94.56152 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 125.0 ft (38.1 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 384.8 sq m |
| Main Spans | 3 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 428 (2022) |
| Truck Traffic | 19% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000170091 |