Il 251 Fas 255 over Mackinaw River
Fair Condition35 years old2,150 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 5.5 M S Of US 24 |
| Carries | Il 251 Fas 255 |
| Crosses | Mackinaw River |
| Coordinates | 40.66375, -89.00526 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 433.7 ft (132.2 m) |
| Max Span | 163.1 ft (49.7 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 1414.5 sq m |
| Main Spans | 3 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 2,150 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057022600000000 |