Il 4 over N1 Trib L Silver Crk
Fair Condition96 years old6,800 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 2 Mi N Of US 50 |
| Carries | Il 4 |
| Crosses | N1 Trib L Silver Crk |
| Coordinates | 38.63452, -89.80797 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.3 ft (7.4 m) |
| Max Span | 10.5 ft (3.2 m) |
| Deck Area | 54.0 sq m |
| Main Spans | 2 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 6,800 (2023) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082244500000000 |