First ST over Blackhawk Creek
Poor Condition49 years old1,429 vehicles/day
Location
| State | Iowa |
| County | Grundy |
| Location | 088150501 |
| Carries | First ST |
| Crosses | Blackhawk Creek |
| Coordinates | 42.45704, -92.63184 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 128.0 ft (39 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 382.2 sq m |
| Main Spans | 3 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 1,429 (2022) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004144 |