M-28 over Anna River
Fair Condition77 years old7,171 vehicles/day
Location
| State | Michigan |
| County | Alger |
| Location | In Munising |
| Carries | M-28 |
| Crosses | Anna River |
| Coordinates | 46.40320, -86.64832 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 39.0 ft (11.9 m) |
| Max Span | 37.1 ft (11.3 m) |
| Deck Width | 43.6 ft (13.3 m) |
| Deck Area | 158.3 sq m |
| Main Spans | 1 |
| Year Built | 1949 (reconstructed 2013) |
Traffic
| Avg Daily Traffic | 7,171 (2013) |
| Truck Traffic | 5% |
| 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 | 000000000000049 |