US 20 Off Ramp over US 63
Good Condition43 years old980 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | At Jct. U.s. 63 |
| Carries | US 20 Off Ramp |
| Crosses | US 63 |
| Coordinates | 42.45853, -92.40604 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 388.1 ft (118.3 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 1052.9 sq m |
| Main Spans | 6 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 980 (2022) |
| Truck Traffic | 16% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 5 |
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 | 000000000605310 |