Ia 175 over Maple River
Fair Condition42 years old1,870 vehicles/day
Location
| State | Iowa |
| County | Monona |
| Location | 0.1 Mi. W Of Jct. Ia 37 |
| Carries | Ia 175 |
| Crosses | Maple River |
| Coordinates | 42.01729, -95.95544 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 241.1 ft (73.5 m) |
| Max Span | 97.1 ft (29.6 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 970.2 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 1,870 (2022) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000036911 |