Ill 143 over Highland Lake
Fair Condition64 years old8,850 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 2 M W Highland |
| Carries | Ill 143 |
| Crosses | Highland Lake |
| Coordinates | 38.76423, -89.69777 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 87.9 ft (26.8 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 284.1 sq m |
| Main Spans | 1 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 8,850 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060015200000000 |