Il 4 & 15 over Kaskaskia Overflow
Good Condition17 years old3,600 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 0.6 M E Jct Il 4 |
| Carries | Il 4 & 15 |
| Crosses | Kaskaskia Overflow |
| Coordinates | 38.37649, -89.78469 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 145.3 ft (44.3 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 584.8 sq m |
| Main Spans | 3 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 3,600 (2023) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082027500000000 |