Silver Lake Road over Hydro Canal
Good Condition42 years old1,706 vehicles/day
Location
| State | New Hampshire |
| County | Belknap |
| Location | .25 Mi E Of US Rte. 3 |
| Carries | Silver Lake Road |
| Crosses | Hydro Canal |
| Coordinates | 43.47200, -71.53381 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 37.7 ft (11.5 m) |
| Deck Area | 112.7 sq m |
| Main Spans | 2 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 1,706 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 025601330009400 |