I-55 (sb) over Bl 55 & Up Rr
Fair Condition64 years old14,600 vehicles/day
Location
| State | Illinois |
| County | Sangamon |
| Location | Sherman Interchange |
| Carries | I-55 (sb) |
| Crosses | Bl 55 & Up Rr |
| Coordinates | 39.90298, -89.59440 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 361.5 ft (110.2 m) |
| Max Span | 77.4 ft (23.6 m) |
| Deck Width | 61.7 ft (18.8 m) |
| Deck Area | 2071.8 sq m |
| Main Spans | 5 |
| Year Built | 1962 (reconstructed 2015) |
Traffic
| Avg Daily Traffic | 14,600 (2023) |
| Truck Traffic | 31% |
| Lanes On Bridge | 3 |
| 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 | 084002100000000 |