I 129 over Missouri River & I-29
Fair Condition50 years old15,800 vehicles/day
Location
| State | Iowa |
| County | Woodbury |
| Location | 0.5 Mi.w.of Jct.29 |
| Carries | I 129 |
| Crosses | Missouri River & I-29 |
| Coordinates | 42.44689, -96.38091 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 2607.0 ft (794.6 m) |
| Max Span | 450.1 ft (137.2 m) |
| Deck Width | 85.3 ft (26 m) |
| Deck Area | 20659.6 sq m |
| Main Spans | 15 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 15,800 (2022) |
| Truck Traffic | 17% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000600765 |