Ia 175 over Little Sioux River
Fair Condition67 years old2,160 vehicles/day
Location
| State | Iowa |
| County | Monona |
| Location | 1.5 Mi. W Of Ia 37 |
| Carries | Ia 175 |
| Crosses | Little Sioux River |
| Coordinates | 42.01924, -95.98316 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| 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 | 244.1 ft (74.4 m) |
| Max Span | 94.2 ft (28.7 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 818.4 sq m |
| Main Spans | 3 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 2,160 (2022) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000036890 |