Keewahdin Road over Howe Drain
Fair Condition91 years old7,348 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec. 17-20 Ft Gratiot Twp |
| Carries | Keewahdin Road |
| Crosses | Howe Drain |
| Coordinates | 43.09000, -82.47770 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 48.2 ft (14.7 m) |
| Deck Area | 152.9 sq m |
| Main Spans | 1 |
| Year Built | 1935 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 7,348 (2007) |
| Truck Traffic | 5% |
| 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 | 000000000010069 |