Ia 58 over Black Hawk Ck Overflow
Good Condition20 years old5,200 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | 1.1 Mi. N Of Jct. U.s. 63 |
| Carries | Ia 58 |
| Crosses | Black Hawk Ck Overflow |
| Coordinates | 42.40900, -92.46502 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 205.1 ft (62.5 m) |
| Max Span | 67.9 ft (20.7 m) |
| Deck Width | 47.9 ft (14.6 m) |
| Deck Area | 912.5 sq m |
| Main Spans | 3 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 5,200 (2022) |
| Truck Traffic | 6% |
| Lanes On 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 | 000000000015041 |