600th ST over Willow Creek
Fair Condition89 years old11 vehicles/day
Location
| State | Iowa |
| County | Cherokee |
| Location | 090410601 |
| Carries | 600th ST |
| Crosses | Willow Creek |
| Coordinates | 42.64844, -95.73585 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 85.0 ft (25.9 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 18.7 ft (5.7 m) |
| Deck Area | 147.6 sq m |
| Main Spans | 2 |
| Year Built | 1937 (reconstructed 2012) |
Traffic
| Avg Daily Traffic | 11 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000107430 |