FM J-20 over I 35
Fair Condition57 years old588 vehicles/day
Location
| State | Iowa |
| County | Decatur |
| Location | At Jct. SR J20 |
| Carries | FM J-20 |
| Crosses | I 35 |
| Coordinates | 40.81174, -93.82793 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 331.0 ft (100.9 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 1089.7 sq m |
| Main Spans | 4 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 588 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000022990 |