M-66 over Thornapple River
Fair Condition27 years old6,177 vehicles/day
Location
| State | Michigan |
| County | Barry |
| Location | In Nashville |
| Carries | M-66 |
| Crosses | Thornapple River |
| Coordinates | 42.60870, -85.09334 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 132.5 ft (40.4 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 54.1 ft (16.5 m) |
| Deck Area | 666.6 sq m |
| Main Spans | 2 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 6,177 (2007) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000545 |