Ch 23 Quercus Grov over Cahokia Creek
Fair Condition42 years old100 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 1.5m N Of Carpenter |
| Carries | Ch 23 Quercus Grov |
| Crosses | Cahokia Creek |
| Coordinates | 38.91234, -89.90206 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 346.1 ft (105.5 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 960.0 sq m |
| Main Spans | 5 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 100 (2021) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060323900000000 |