Il 4 (main St.) over Polecat CR Tributary
Good Condition48 years old18,500 vehicles/day
Location
| State | Illinois |
| County | Sangamon |
| Location | .5m S Mansion-chathm |
| Carries | Il 4 (main St.) |
| Crosses | Polecat CR Tributary |
| Coordinates | 39.69081, -89.70485 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 10.5 ft (3.2 m) |
| Deck Area | 93.8 sq m |
| Main Spans | 2 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 18,500 (2023) |
| Truck Traffic | 3% |
| 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 | 084201600000000 |