M-25 over Schram Drain
Fair Condition51 years old1,500 vehicles/day
Location
| State | Michigan |
| County | Huron |
| Location | 5.6 Mi SW Of Port Austin |
| Carries | M-25 |
| Crosses | Schram Drain |
| Coordinates | 43.99382, -83.06742 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 74.8 ft (22.8 m) |
| Max Span | 74.8 ft (22.8 m) |
| Deck Width | 51.8 ft (15.8 m) |
| Deck Area | 360.2 sq m |
| Main Spans | 1 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 1,500 (2011) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003451 |