Frith Road over Pine River
Good Condition20 years old440 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec 4-9 ST Clair Twp |
| Carries | Frith Road |
| Crosses | Pine River |
| Coordinates | 42.88880, -82.56867 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 220.1 ft (67.1 m) |
| Max Span | 107.9 ft (32.9 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 664.3 sq m |
| Main Spans | 3 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 440 (2004) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000010229 |