M-99 NB over Grand River
Fair Condition48 years old4,238 vehicles/day
Location
| State | Michigan |
| County | Eaton |
| Location | 0.5 Mi S Of Holt RD |
| Carries | M-99 NB |
| Crosses | Grand River |
| Coordinates | 42.63117, -84.62269 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 179.1 ft (54.6 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 764.4 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 4,238 (2007) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002304 |