Ill 159 over Douglas Creek
Poor Condition72 years old9,400 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 0.8 M N Smithton |
| Carries | Ill 159 |
| Crosses | Douglas Creek |
| Coordinates | 38.42159, -89.98345 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 91.5 ft (27.9 m) |
| Max Span | 34.4 ft (10.5 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 309.7 sq m |
| Main Spans | 3 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 9,400 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082007100000000 |