Griswold Road over Pine River
Poor Condition36 years old2,030 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec. 7-18 Kimball Twp. |
| Carries | Griswold Road |
| Crosses | Pine River |
| Coordinates | 42.96164, -82.60337 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 136.8 ft (41.7 m) |
| Max Span | 43.3 ft (13.2 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 467.0 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 2,030 (2020) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010063 |