M-28 over Sand River
Fair Condition87 years old3,093 vehicles/day
Location
| State | Michigan |
| County | Alger |
| Location | 0.4 Mi E Of Marquette Col |
| Carries | M-28 |
| Crosses | Sand River |
| Coordinates | 46.49506, -87.10731 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 64.0 ft (19.5 m) |
| Max Span | 56.4 ft (17.2 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 239.8 sq m |
| Main Spans | 1 |
| Year Built | 1939 |
Traffic
| Avg Daily Traffic | 3,093 (2007) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000000044 |