Sinkhole Road over Lyon Brook
Fair Condition99 years old11 vehicles/day
Location
| State | New York |
| County | Franklin |
| Location | 1.75 Mi NE Vermontville |
| Carries | Sinkhole Road |
| Crosses | Lyon Brook |
| Coordinates | 44.47405, -74.05278 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 75.2 sq m |
| Main Spans | 1 |
| Year Built | 1927 |
Traffic
| Avg Daily Traffic | 11 (2017) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000003369360 |