Ia 175 over Blue Lake Creek
Fair Condition71 years old1,790 vehicles/day
Location
| State | Iowa |
| County | Monona |
| Location | 2.1 Mi. W Of I-29 |
| Carries | Ia 175 |
| Crosses | Blue Lake Creek |
| Coordinates | 42.02661, -96.17571 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 103.9 sq m |
| Main Spans | 1 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 1,790 (2022) |
| Truck Traffic | 27% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000036820 |