M-28 over W Br Ontonagon River
Fair Condition61 years old1,331 vehicles/day
Location
| State | Michigan |
| County | Ontonagon |
| Location | 2.3 Mi E Of E Jct M-64 |
| Carries | M-28 |
| Crosses | W Br Ontonagon River |
| Coordinates | 46.58928, -89.52674 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 188.3 ft (57.4 m) |
| Max Span | 73.5 ft (22.4 m) |
| Deck Width | 46.6 ft (14.2 m) |
| Deck Area | 815.1 sq m |
| Main Spans | 3 |
| Year Built | 1965 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 1,331 (2007) |
| Truck Traffic | 19% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008486 |