Ia 175 over Missouri River
Fair Condition76 years old1,790 vehicles/day
Location
| State | Iowa |
| County | Monona |
| Location | E.of Decatur NE |
| Carries | Ia 175 |
| Crosses | Missouri River |
| Coordinates | 42.00662, -96.24137 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel Continuous |
| Design | Truss - Thru |
| Total Length | 1956.0 ft (596.2 m) |
| Max Span | 420.9 ft (128.3 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 4352.3 sq m |
| Main Spans | 2 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 1,790 (2022) |
| Truck Traffic | 27% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 922 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000000036810 |