Harrington Road over Speaker-maple Valley Drn
Fair Condition66 years old300 vehicles/day
Location
| State | Michigan |
| County | Sanilac |
| Location | Sec 21-28 Elk Twp |
| Carries | Harrington Road |
| Crosses | Speaker-maple Valley Drn |
| Coordinates | 43.27250, -82.84552 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 26.6 ft (8.1 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 64.6 sq m |
| Main Spans | 1 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 300 (2010) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000009593 |