C 57 over US 218 & Ia 27
Good Condition11 years old3,182 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | 218 At C-57 Interchange |
| Carries | C 57 |
| Crosses | US 218 & Ia 27 |
| Coordinates | 42.61367, -92.44405 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 290.0 ft (88.4 m) |
| Max Span | 150.9 ft (46 m) |
| Deck Width | 63.3 ft (19.3 m) |
| Deck Area | 1706.1 sq m |
| Main Spans | 2 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 3,182 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000700380 |