Ill 143 over Old Cahokia CR Chnnl
Good Condition72 years old7,950 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | .25 M W Jct 143-159 |
| Carries | Ill 143 |
| Crosses | Old Cahokia CR Chnnl |
| Coordinates | 38.82544, -89.97859 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 118.4 ft (36.1 m) |
| Max Span | 44.0 ft (13.4 m) |
| Deck Width | 89.2 ft (27.2 m) |
| Deck Area | 981.9 sq m |
| Main Spans | 3 |
| Year Built | 1954 (reconstructed 1996) |
Traffic
| Avg Daily Traffic | 7,950 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060015800000000 |