Ia 316 over Des Moines River
Fair Condition58 years old810 vehicles/day
Location
| State | Iowa |
| County | Polk |
| Location | 3.9 Miles N Of Jct Ia 5 |
| Carries | Ia 316 |
| Crosses | Des Moines River |
| Coordinates | 41.48510, -93.33831 |
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 | Stringer/Multi-beam |
| Total Length | 2139.1 ft (652 m) |
| Max Span | 188.0 ft (57.3 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 6585.2 sq m |
| Main Spans | 5 |
| Year Built | 1968 (reconstructed 2015) |
Traffic
| Avg Daily Traffic | 810 (2022) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
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 | 000000000280555 |