Wisner Road over Bad River
Good Condition48 years old480 vehicles/day
Location
| State | Michigan |
| County | Gratiot |
| Location | Sec 18 Hamilton Twp |
| Carries | Wisner Road |
| Crosses | Bad River |
| Coordinates | 43.25832, -84.48391 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 243.1 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 480 (2003) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003170 |