Structure 35200 · Marion County, IA
Carries Ia 14 over Des Moines River & Res, 1.2 Mi. N Of SR G40.
5,653 ft end to end, longest span 143 ft: about 16 football fields, or 1.1 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a girder bridge.
| State | Iowa |
| County | Marion |
| Location | 1.2 Mi. N Of SR G40 |
| Carries | Ia 14 |
| Crosses | Des Moines River & Res |
| Coordinates | 41.41039, -93.11117 |
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 5652.9 ft (1,723 m) |
| Max Span | 143.0 ft (43.6 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 18,953 sq m |
| Main Spans | 42 |
| Year Built | 1965 |
| Avg Daily Traffic | 3,820 (2022) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
| Last Inspection | September 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Scour Critical | 8 — Stable, low risk |
| Structure Number | 000000000035200 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.