WB US 20 over Over Cc Rr
Good Condition55 years old3,850 vehicles/day
Location
| State | Iowa |
| County | Delaware |
| Location | 0.9 Mi. E Of Jct. 13 |
| Carries | WB US 20 |
| Crosses | Over Cc Rr |
| Coordinates | 42.46740, -91.46268 |
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 | 170.9 ft (52.1 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 687.7 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 3,850 (2022) |
| Truck Traffic | 31% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2022 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000602005 |