M-66 over Manistee River
Fair Condition47 years old1,150 vehicles/day
Location
| State | Michigan |
| County | Kalkaska |
| Location | 1.1mi N Of Missaukee Col |
| Carries | M-66 |
| Crosses | Manistee River |
| Coordinates | 44.52372, -85.17189 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 159.1 ft (48.5 m) |
| Max Span | 78.4 ft (23.9 m) |
| Deck Width | 51.8 ft (15.8 m) |
| Deck Area | 766.3 sq m |
| Main Spans | 2 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 1,150 (2019) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004696 |