Il 156 over Richland Creek
Good Condition19 years old2,750 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 1.2 Mi E. Jct 159 |
| Carries | Il 156 |
| Crosses | Richland Creek |
| Coordinates | 38.32383, -89.97117 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 273.0 ft (83.2 m) |
| Max Span | 101.0 ft (30.8 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 990.1 sq m |
| Main Spans | 3 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 2,750 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082038700000000 |