Tr 496 over Mackinaw River
Fair Condition46 years old75 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 3.5 Mi W Colfax |
| Carries | Tr 496 |
| Crosses | Mackinaw River |
| Coordinates | 40.57019, -88.67518 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 174.9 ft (53.3 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 421.1 sq m |
| Main Spans | 4 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 75 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057502400000000 |