Lapeer RD (m-21) over Cowhey CR
Fair Condition73 years old2,514 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | 1.5 Mi E Of M-19 |
| Carries | Lapeer RD (m-21) |
| Crosses | Cowhey CR |
| Coordinates | 42.99445, -82.73567 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 37.1 ft (11.3 m) |
| Deck Width | 46.6 ft (14.2 m) |
| Deck Area | 177.5 sq m |
| Main Spans | 1 |
| Year Built | 1953 (reconstructed 2002) |
Traffic
| Avg Daily Traffic | 2,514 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000009919 |