Tr 21 over I-74
Fair Condition61 years old50 vehicles/day
Location
| State | Illinois |
| County | Knox |
| Location | 4 Mi SW Of Woodhull |
| Carries | Tr 21 |
| Crosses | I-74 |
| Coordinates | 41.12225, -90.33334 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 223.1 ft (68 m) |
| Max Span | 66.9 ft (20.4 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 618.8 sq m |
| Main Spans | 4 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 50 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 048006300000000 |