M-66 over Muskegon River
Poor Condition86 years old1,990 vehicles/day
Location
| State | Michigan |
| County | Osceola |
| Location | 3.2 Mi N Of Us-10 |
| Carries | M-66 |
| Crosses | Muskegon River |
| Coordinates | 43.94696, -85.14847 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 219.8 ft (67 m) |
| Max Span | 54.8 ft (16.7 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 790.6 sq m |
| Main Spans | 4 |
| Year Built | 1940 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 1,990 (2007) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008587 |