M-153 Conn Ramp B over M-14
Fair Condition51 years old6,694 vehicles/day
Location
| State | Michigan |
| County | Washtenaw |
| Location | 9.0 Mi SW Of Plymouth |
| Carries | M-153 Conn Ramp B |
| Crosses | M-14 |
| Coordinates | 42.32687, -83.63179 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 333.0 ft (101.5 m) |
| Max Span | 128.0 ft (39 m) |
| Deck Width | 44.6 ft (13.6 m) |
| Deck Area | 1380.4 sq m |
| Main Spans | 4 |
| Year Built | 1975 (reconstructed 2006) |
Traffic
| Avg Daily Traffic | 6,694 (2007) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010921 |