M-61 over Middle Br Muskegon River
Fair Condition53 years old1,493 vehicles/day
Location
| State | Michigan |
| County | Osceola |
| Location | 5 Mi SE Of Marion |
| Carries | M-61 |
| Crosses | Middle Br Muskegon River |
| Coordinates | 44.04475, -85.12453 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 185.0 ft (56.4 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 49.5 ft (15.1 m) |
| Deck Area | 851.6 sq m |
| Main Spans | 3 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 1,493 (2007) |
| 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 | 000000000008605 |