Il 143 over Nsrr
Good Condition31 years old9,300 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | Alton East Of Clark |
| Carries | Il 143 |
| Crosses | Nsrr |
| Coordinates | 38.88717, -90.17042 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 199.8 ft (60.9 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 89.2 ft (27.2 m) |
| Deck Area | 1656.5 sq m |
| Main Spans | 3 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 9,300 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
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 | 060025600000000 |