Ch 6 over Mackinaw River
Good Condition63 years old225 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 4.8 Mi SW Gridley |
| Carries | Ch 6 |
| Crosses | Mackinaw River |
| Coordinates | 40.67942, -88.94375 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 21.3 ft (6.5 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 62.8 sq m |
| Main Spans | 1 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 225 (2024) |
| Truck Traffic | 32% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057460900000000 |