I-55 (nb) over Bl 55 & Up Rr
Poor Condition64 years old14,600 vehicles/day
Location
| State | Illinois |
| County | Sangamon |
| Location | Sherman Interchange |
| Carries | I-55 (nb) |
| Crosses | Bl 55 & Up Rr |
| Coordinates | 39.90281, -89.59434 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 361.2 ft (110.1 m) |
| Max Span | 77.4 ft (23.6 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 1585.4 sq m |
| Main Spans | 5 |
| Year Built | 1962 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 14,600 (2023) |
| Truck Traffic | 31% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 084002000000000 |