M-28 over Laughing Whitefish River
Good Condition87 years old3,093 vehicles/day
Location
| State | Michigan |
| County | Alger |
| Location | 3.2 Mi E Of Marquette Col |
| Carries | M-28 |
| Crosses | Laughing Whitefish River |
| Coordinates | 46.49380, -87.05119 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 172.0 sq m |
| Main Spans | 1 |
| Year Built | 1939 (reconstructed 2005) |
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 not eligible for the National Register |
| Structure Number | 000000000000045 |