Tyndall Road over Big Sable River
Poor Condition126 years old200 vehicles/day
Location
| State | Michigan |
| County | Mason |
| Location | 7 Mi E Of Fountain |
| Carries | Tyndall Road |
| Crosses | Big Sable River |
| Coordinates | 44.05024, -86.03936 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 30.5 ft (9.3 m) |
| Max Span | 29.5 ft (9 m) |
| Deck Width | 21.0 ft (6.4 m) |
| Deck Area | 59.5 sq m |
| Main Spans | 1 |
| Year Built | 1900 (reconstructed 1974) |
Traffic
| Avg Daily Traffic | 200 (1997) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006679 |