I-55 Busn Loop over Union Pacific Rr & Old 6
Fair Condition87 years old21,300 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 2.8 Mi N Of Ill 9 |
| Carries | I-55 Busn Loop |
| Crosses | Union Pacific Rr & Old 6 |
| Coordinates | 40.52981, -88.95162 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 441.6 ft (134.6 m) |
| Max Span | 86.3 ft (26.3 m) |
| Deck Width | 86.9 ft (26.5 m) |
| Deck Area | 3566.9 sq m |
| Main Spans | 6 |
| Year Built | 1939 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 21,300 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057006900000000 |