21 Mi RD over I-94
Fair Condition66 years old16,870 vehicles/day
Location
| State | Michigan |
| County | Macomb |
| Location | 1.1 Mi NE Of M-59 |
| Carries | 21 Mi RD |
| Crosses | I-94 |
| Coordinates | 42.64539, -82.84031 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 244.4 ft (74.5 m) |
| Max Span | 88.9 ft (27.1 m) |
| Deck Width | 76.8 ft (23.4 m) |
| Deck Area | 1743.3 sq m |
| Main Spans | 4 |
| Year Built | 1960 (reconstructed 2006) |
Traffic
| Avg Daily Traffic | 16,870 (1993) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006175 |