WB I-235 over Walnut Creek
Fair Condition58 years old58,050 vehicles/day
Location
| State | Iowa |
| County | Polk |
| Location | 3.4 Mi E Of W Jct 35/80 |
| Carries | WB I-235 |
| Crosses | Walnut Creek |
| Coordinates | 41.59340, -93.71210 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 336.0 ft (102.4 m) |
| Max Span | 128.9 ft (39.3 m) |
| Deck Width | 72.5 ft (22.1 m) |
| Deck Area | 2263.0 sq m |
| Main Spans | 3 |
| Year Built | 1968 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 58,050 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000042280 |