Ansborough AVE over Black Hawk Creek
Fair Condition55 years old8,392 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | City Bridge No. 17 |
| Carries | Ansborough AVE |
| Crosses | Black Hawk Creek |
| Coordinates | 42.48778, -92.37698 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 486.9 ft (148.4 m) |
| Max Span | 82.0 ft (25 m) |
| Deck Width | 90.9 ft (27.7 m) |
| Deck Area | 4110.7 sq m |
| Main Spans | 6 |
| Year Built | 1971 (reconstructed 1988) |
Traffic
| Avg Daily Traffic | 8,392 (2022) |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000012050 |