FM RD R 77 over US 20
Good Condition36 years old290 vehicles/day
Location
| State | Iowa |
| County | Hamilton |
| Location | 2.5 Miles E Of Jct I-35 |
| Carries | FM RD R 77 |
| Crosses | US 20 |
| Coordinates | 42.44771, -93.52108 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 268.0 ft (81.7 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 874.2 sq m |
| Main Spans | 4 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 290 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000606185 |