Mason Road over Thornapple Creek
Fair Condition37 years old200 vehicles/day
Location
| State | Michigan |
| County | Eaton |
| Location | 1 Mi. W Of Vermontville |
| Carries | Mason Road |
| Crosses | Thornapple Creek |
| Coordinates | 42.61758, -85.05435 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 89.9 ft (27.4 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 260.3 sq m |
| Main Spans | 2 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 200 (2021) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002420 |