Il 4 over S1 Trib L Silver Crk
Good Condition28 years old6,050 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 1.1 Mi S Of US 50 |
| Carries | Il 4 |
| Crosses | S1 Trib L Silver Crk |
| Coordinates | 38.57960, -89.80777 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 85.3 ft (26 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 338 sq m |
| Main Spans | 2 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 6,050 (2023) |
| Truck Traffic | 19% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082030100000000 |