I-94 WB over Griswold Road
Good Condition23 years old14,887 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Port Huron Twp Sec 7-18 |
| Carries | I-94 WB |
| Crosses | Griswold Road |
| Coordinates | 42.96586, -82.48997 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 81.7 ft (24.9 m) |
| Max Span | 77.8 ft (23.7 m) |
| Deck Width | 47.6 ft (14.5 m) |
| Deck Area | 361.1 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 14,887 (2007) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000013161 |