NB US 218 over Black Hawk Ck & RD
Fair Condition35 years old11,250 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | 0.2 Mi. N Of Jct. U.s. 63 |
| Carries | NB US 218 |
| Crosses | Black Hawk Ck & RD |
| Coordinates | 42.49834, -92.35939 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 897.0 ft (273.4 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 71.9 ft (21.9 m) |
| Deck Area | 5987.5 sq m |
| Main Spans | 12 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 11,250 (2022) |
| Truck Traffic | 11% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000601030 |