Grassmere Road over Pinnebog River
Poor Condition97 years old150 vehicles/day
Location
| State | Michigan |
| County | Huron |
| Location | Sec. 30 Colfax Twp |
| Carries | Grassmere Road |
| Crosses | Pinnebog River |
| Coordinates | 43.78612, -83.12054 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 37.7 ft (11.5 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 142.1 sq m |
| Main Spans | 1 |
| Year Built | 1929 |
Traffic
| Avg Daily Traffic | 150 (2009) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003586 |