Gratiot Road over Pine River
Good Condition11 years old4,765 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec. 9 ST Clair Twp. |
| Carries | Gratiot Road |
| Crosses | Pine River |
| Coordinates | 42.88019, -82.56767 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 200.1 ft (61 m) |
| Max Span | 102.4 ft (31.2 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 805.2 sq m |
| Main Spans | 2 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 4,765 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010048 |