Greenhill RD over Trolley Trail
Good Condition37 years old1,908 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | City Bridge No. 61 |
| Carries | Greenhill RD |
| Crosses | Trolley Trail |
| Coordinates | 42.51406, -92.39158 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 174.9 ft (53.3 m) |
| Max Span | 61.0 ft (18.6 m) |
| Deck Width | 87.3 ft (26.6 m) |
| Deck Area | 1417.8 sq m |
| Main Spans | 3 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 1,908 (2022) |
| Truck Traffic | 3% |
| 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 | 000000000605915 |