I-75 SB over Cheeseman RD
Poor Condition66 years old2,555 vehicles/day
Location
| State | Michigan |
| County | Mackinac |
| Location | In ST Ignace (co RD 4914) |
| Carries | I-75 SB |
| Crosses | Cheeseman RD |
| Coordinates | 45.87728, -84.73931 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 276.6 ft (84.3 m) |
| Max Span | 72.8 ft (22.2 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 944.2 sq m |
| Main Spans | 4 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 2,555 (2007) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005948 |