Ch S27 over I-55
Good Condition53 years old1,150 vehicles/day
Location
| State | Illinois |
| County | Logan |
| Location | 3.1 E I155/1 N Bl 55 |
| Carries | Ch S27 |
| Crosses | I-55 |
| Coordinates | 40.18198, -89.35857 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 252.0 ft (76.8 m) |
| Max Span | 108.6 ft (33.1 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 890.9 sq m |
| Main Spans | 2 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 1,150 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 054005900000000 |