Ill 166 over Sugar Creek
Fair Condition93 years old1,400 vehicles/day
Location
| State | Illinois |
| County | Williamson |
| Location | At Ecl Creal Springs |
| Carries | Ill 166 |
| Crosses | Sugar Creek |
| Coordinates | 37.61693, -88.82789 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 73.8 ft (22.5 m) |
| Max Span | 69.6 ft (21.2 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 229.5 sq m |
| Main Spans | 1 |
| Year Built | 1933 (reconstructed 1980) |
Traffic
| Avg Daily Traffic | 1,400 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100003100000000 |