Ia 48 over Nishna River Overflow
Good Condition31 years old1,120 vehicles/day
Location
| State | Iowa |
| County | Cass |
| Location | 1.7 Mi. S. Of Jct. US 6 |
| Carries | Ia 48 |
| Crosses | Nishna River Overflow |
| Coordinates | 41.29361, -95.13724 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| 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 | 39.0 ft (11.9 m) |
| Deck Area | 481.9 sq m |
| Main Spans | 3 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 1,120 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000017731 |