21 Mi RD over M-53
Fair Condition61 years old17,272 vehicles/day
Location
| State | Michigan |
| County | Macomb |
| Location | 1.0 Mi N Of M-59 |
| Carries | 21 Mi RD |
| Crosses | M-53 |
| Coordinates | 42.64084, -83.01360 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 207.3 ft (63.2 m) |
| Max Span | 70.5 ft (21.5 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 644.6 sq m |
| Main Spans | 4 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 17,272 (1996) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006030 |