Il 4 over Macoupin Creek
Fair Condition66 years old4,450 vehicles/day
Location
| State | Illinois |
| County | Macoupin |
| Location | 1.7m S Il 108 |
| Carries | Il 4 |
| Crosses | Macoupin Creek |
| Coordinates | 39.25973, -89.84966 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 361.5 ft (110.2 m) |
| Max Span | 80.4 ft (24.5 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 1300.4 sq m |
| Main Spans | 5 |
| Year Built | 1960 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 4,450 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2021 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 059000700000000 |