Ia 4 & 175 over Purgatory Creek
Fair Condition53 years old1,410 vehicles/day
Location
| State | Iowa |
| County | Calhoun |
| Location | 2.8 Mi. S Of N Jct Ia 175 |
| Carries | Ia 4 & 175 |
| Crosses | Purgatory Creek |
| Coordinates | 42.26706, -94.59366 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 132.9 ft (40.5 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 583.2 sq m |
| Main Spans | 3 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 1,410 (2022) |
| Truck Traffic | 20% |
| 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 | 000000000016921 |