US 218 SB Off Ramp over NB US 63
Good Condition35 years old2,360 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | At Jct NB US 63 In Wtrloo |
| Carries | US 218 SB Off Ramp |
| Crosses | NB US 63 |
| Coordinates | 42.49652, -92.34788 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 538.1 ft (164 m) |
| Max Span | 200.1 ft (61 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 1459.6 sq m |
| Main Spans | 4 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 2,360 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000606240 |