Ch 21 over I-74
Poor Condition59 years old75 vehicles/day
Location
| State | Illinois |
| County | Knox |
| Location | 3 Mi E Of Knoxville |
| Carries | Ch 21 |
| Crosses | I-74 |
| Coordinates | 40.90277, -90.21257 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 230.0 ft (70.1 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 637.9 sq m |
| Main Spans | 4 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 75 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 048004700000000 |