Ramp J (sb) over Ia 57
Good Condition31 years old3,320 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | At Jct. Of Ia 57 |
| Carries | Ramp J (sb) |
| Crosses | Ia 57 |
| Coordinates | 42.53782, -92.42872 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 297.9 ft (90.8 m) |
| Max Span | 101.0 ft (30.8 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 1198.6 sq m |
| Main Spans | 4 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 3,320 (2022) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000601555 |