M-37 over Duncan Creek
Fair Condition69 years old10,700 vehicles/day
Location
| State | Michigan |
| County | Barry |
| Location | 1.0 Mi N Of Middleville |
| Carries | M-37 |
| Crosses | Duncan Creek |
| Coordinates | 42.73120, -85.48055 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 108.9 ft (33.2 m) |
| Max Span | 38.4 ft (11.7 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 438.2 sq m |
| Main Spans | 3 |
| Year Built | 1957 |
Traffic
| Avg Daily Traffic | 10,700 (2013) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 325 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000533 |