Sauk Trail over Thorn Creek
Fair Condition94 years old15,300 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.6 M W Ashland P2 |
| Carries | Sauk Trail |
| Crosses | Thorn Creek |
| Coordinates | 41.47642, -87.66744 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 35.4 ft (10.8 m) |
| Max Span | 35.4 ft (10.8 m) |
| Deck Width | 64.0 ft (19.5 m) |
| Deck Area | 210.6 sq m |
| Main Spans | 1 |
| Year Built | 1932 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 15,300 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016300500000000 |