SR C-20 over I-35
Good Condition53 years old15 vehicles/day
Location
| State | Iowa |
| County | Franklin |
| Location | 2.0 Miles South Of SR C13 |
| Carries | SR C-20 |
| Crosses | I-35 |
| Coordinates | 42.86256, -93.35065 |
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 | 278.9 ft (85 m) |
| Max Span | 97.1 ft (29.6 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 867 sq m |
| Main Spans | 4 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 15 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000602480 |