M-99 (mlk AVE Sb) over I-496
Fair Condition56 years old32,920 vehicles/day
Location
| State | Michigan |
| County | Ingham |
| Location | In Lansing |
| Carries | M-99 (mlk AVE Sb) |
| Crosses | I-496 |
| Coordinates | 42.72616, -84.56976 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 190.3 ft (58 m) |
| Max Span | 62.3 ft (19 m) |
| Deck Width | 66.3 ft (20.2 m) |
| Deck Area | 1171.6 sq m |
| Main Spans | 4 |
| Year Built | 1970 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 32,920 (2007) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 9 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003747 |