Us-31 over Pine River
Fair Condition77 years old15,321 vehicles/day
Location
| State | Michigan |
| County | Charlevoix |
| Location | In Charlevoix |
| Carries | Us-31 |
| Crosses | Pine River |
| Coordinates | 45.31876, -85.25867 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 223.4 ft (68.1 m) |
| Max Span | 110.9 ft (33.8 m) |
| Deck Width | 57.7 ft (17.6 m) |
| Deck Area | 1198.6 sq m |
| Main Spans | 1 |
| Year Built | 1949 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 15,321 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
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 | 000000000001471 |