Fas 491 Ch 15 over Br Mackinaw River
Good Condition38 years old725 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 3.0 Mi S Colfax |
| Carries | Fas 491 Ch 15 |
| Crosses | Br Mackinaw River |
| Coordinates | 40.51229, -88.63220 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 86.9 sq m |
| Main Spans | 2 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 725 (2024) |
| Truck Traffic | 48% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057502900000000 |