Patterson Road over S Fork Of N Br Cass Riv
Fair Condition41 years old150 vehicles/day
Location
| State | Michigan |
| County | Sanilac |
| Location | Sec 16-17 Austin Twp |
| Carries | Patterson Road |
| Crosses | S Fork Of N Br Cass Riv |
| Coordinates | 43.64701, -82.95763 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 39.0 ft (11.9 m) |
| Max Span | 11.8 ft (3.6 m) |
| Deck Area | 94.0 sq m |
| Main Spans | 3 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 150 (2010) |
| Truck Traffic | 7% |
| 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 | 000000000009571 |