Ill 4 over Cahokia Creek
Fair Condition105 years old2,800 vehicles/day
Location
| State | Illinois |
| County | Macoupin |
| Location | 1.0 M N Staunton |
| Carries | Ill 4 |
| Crosses | Cahokia Creek |
| Coordinates | 39.03661, -89.80196 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 309.1 ft (94.2 m) |
| Max Span | 85.3 ft (26 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 1111.6 sq m |
| Main Spans | 4 |
| Year Built | 1921 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 2,800 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 059001000000000 |