Walnut ST over Des Moines River
Poor Condition115 years old3,844 vehicles/day
Location
| State | Iowa |
| County | Polk |
| Location | 078240400 |
| Carries | Walnut ST |
| Crosses | Des Moines River |
| Coordinates | 41.58724, -93.61828 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Arch - Deck |
| Total Length | 503.0 ft (153.3 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 85.0 ft (25.9 m) |
| Deck Area | 3970.5 sq m |
| Main Spans | 6 |
| Year Built | 1911 (reconstructed 1966) |
Traffic
| Avg Daily Traffic | 3,844 (2022) |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000003700 |