Ch-8 (fas-473) over Mackinaw River
Fair Condition80 years old950 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 1.0 Mi W Clarksville |
| Carries | Ch-8 (fas-473) |
| Crosses | Mackinaw River |
| Coordinates | 40.64833, -88.86251 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 323.2 ft (98.5 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 896.4 sq m |
| Main Spans | 5 |
| Year Built | 1946 (reconstructed 1996) |
Traffic
| Avg Daily Traffic | 950 (2024) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057510300000000 |