M-79 over Little Thornapple River
Fair Condition80 years old5,470 vehicles/day
Location
| State | Michigan |
| County | Eaton |
| Location | 3.0 Mi W Of Charlotte |
| Carries | M-79 |
| Crosses | Little Thornapple River |
| Coordinates | 42.56817, -84.90012 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 23.3 ft (7.1 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 102.2 sq m |
| Main Spans | 1 |
| Year Built | 1946 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 5,470 (2007) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002219 |