Il 143 over Silver Creek
Good Condition19 years old4,650 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 3 Miles West Of Il 4 |
| Carries | Il 143 |
| Crosses | Silver Creek |
| Coordinates | 38.79169, -89.85735 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (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 | 388.1 ft (118.3 m) |
| Max Span | 82.0 ft (25 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 1407.8 sq m |
| Main Spans | 5 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 4,650 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060034000000000 |