M-15 over Cass River
Good Condition11 years old14,550 vehicles/day
Location
| State | Michigan |
| County | Tuscola |
| Location | In Vassar |
| Carries | M-15 |
| Crosses | Cass River |
| Coordinates | 43.37090, -83.58076 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 9 (Excellent) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 310.4 ft (94.6 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 53.1 ft (16.2 m) |
| Deck Area | 1532.5 sq m |
| Main Spans | 3 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 14,550 (2013) |
| Truck Traffic | 2% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010410 |