M-57 over Butternut Creek
Fair Condition86 years old5,487 vehicles/day
Location
| State | Michigan |
| County | Montcalm |
| Location | W Of Carson City Limits |
| Carries | M-57 |
| Crosses | Butternut Creek |
| Coordinates | 43.17719, -84.85760 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 114.7 sq m |
| Main Spans | 1 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 5,487 (2007) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007434 |