M-57 over Brent Run Creek
Fair Condition60 years old11,915 vehicles/day
Location
| State | Michigan |
| County | Genesee |
| Location | 1.9 Mi E Of Montrose |
| Carries | M-57 |
| Crosses | Brent Run Creek |
| Coordinates | 43.17686, -83.85615 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 117.8 ft (35.9 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 506.2 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 11,915 (2007) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002619 |