Frith Road over Smiths Creek
Fair Condition92 years old454 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec. 5-8 St. Clair Twp |
| Carries | Frith Road |
| Crosses | Smiths Creek |
| Coordinates | 42.88833, -82.58374 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 18.0 ft (5.5 m) |
| Deck Area | 43.5 sq m |
| Main Spans | 1 |
| Year Built | 1934 (reconstructed 1970) |
Traffic
| Avg Daily Traffic | 454 (2015) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010224 |