M-55 over Pine River
Fair Condition92 years old3,175 vehicles/day
Location
| State | Michigan |
| County | Manistee |
| Location | 4.2 Mi W Of Wexford Col |
| Carries | M-55 |
| Crosses | Pine River |
| Coordinates | 44.22302, -85.90409 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Truss - Deck |
| Total Length | 613.8 ft (187.1 m) |
| Max Span | 299.9 ft (91.4 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 2507.1 sq m |
| Main Spans | 3 |
| Year Built | 1934 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 3,175 (2018) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 15 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000006441 |