Silver Hill Road over Plumb Brook
Fair Condition41 years old3 vehicles/day
Location
| State | New York |
| County | St. Lawrence |
| Location | 2.2 Mi SW Of Degrasse |
| Carries | Silver Hill Road |
| Crosses | Plumb Brook |
| Coordinates | 44.34338, -75.10754 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 2 — Bridge closed (monitoring) |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 36.1 ft (11 m) |
| Max Span | 34.8 ft (10.6 m) |
| Deck Width | 15.1 ft (4.6 m) |
| Deck Area | 50.6 sq m |
| Main Spans | 1 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 3 (2015) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000003221740 |