M-100 over Grand River
Fair Condition37 years old13,838 vehicles/day
Location
| State | Michigan |
| County | Eaton |
| Location | In Grand Ledge |
| Carries | M-100 |
| Crosses | Grand River |
| Coordinates | 42.75493, -84.74332 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 534.1 ft (162.8 m) |
| Max Span | 105.6 ft (32.2 m) |
| Deck Width | 65.9 ft (20.1 m) |
| Deck Area | 3272.3 sq m |
| Main Spans | 5 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 13,838 (2007) |
| Truck Traffic | 4% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002286 |