M-99 SB over Gtw Rr & Grand River
Fair Condition51 years old16,460 vehicles/day
Location
| State | Michigan |
| County | Ingham |
| Location | In Lansing (mlk Blvd) |
| Carries | M-99 SB |
| Crosses | Gtw Rr & Grand River |
| Coordinates | 42.71957, -84.56825 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 1167.0 ft (355.7 m) |
| Max Span | 180.1 ft (54.9 m) |
| Deck Width | 52.2 ft (15.9 m) |
| Deck Area | 5655.6 sq m |
| Main Spans | 9 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 16,460 (2007) |
| Truck Traffic | 3% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003691 |