County Line RD over I- 55 Stevenson
Fair Condition67 years old18,200 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 2.6 M W US 45 |
| Carries | County Line RD |
| Crosses | I- 55 Stevenson |
| Coordinates | 41.75823, -87.91592 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 297.9 ft (90.8 m) |
| Max Span | 92.8 ft (28.3 m) |
| Deck Width | 99.7 ft (30.4 m) |
| Deck Area | 2760.3 sq m |
| Main Spans | 4 |
| Year Built | 1959 (reconstructed 2014) |
Traffic
| Avg Daily Traffic | 18,200 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 8 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016058700000000 |