School Road over Speaker-maple Valley Drn
Fair Condition56 years old225 vehicles/day
Location
| State | Michigan |
| County | Sanilac |
| Location | Sec 8 Speaker Twp |
| Carries | School Road |
| Crosses | Speaker-maple Valley Drn |
| Coordinates | 43.22811, -82.85447 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Area | 48.2 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 225 (2010) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000009646 |