Acker RD over Trib To Rock Creek
Good Condition20 years old10 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | 87-13-07-02-10 |
| Carries | Acker RD |
| Crosses | Trib To Rock Creek |
| Coordinates | 42.35547, -92.41709 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 21.0 ft (6.4 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 63.0 sq m |
| Main Spans | 1 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 10 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000074220 |