M-39 SB over 9 Mile RD
Fair Condition62 years old45,241 vehicles/day
Location
| State | Michigan |
| County | Oakland |
| Location | Southfield (top Level) |
| Carries | M-39 SB |
| Crosses | 9 Mile RD |
| Coordinates | 42.45895, -83.22140 |
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 | 368.4 ft (112.3 m) |
| Max Span | 140.1 ft (42.7 m) |
| Deck Width | 46.9 ft (14.3 m) |
| Deck Area | 1605.9 sq m |
| Main Spans | 3 |
| Year Built | 1964 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 45,241 (2007) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007880 |