Lockhaven Road over Crystal Lake Outlet
Good Condition44 years old942 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 3.4 Mi Fr Grafton Tl |
| Carries | Lockhaven Road |
| Crosses | Crystal Lake Outlet |
| Coordinates | 43.61153, -72.08338 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Aluminum/Wrought Iron/Cast Iron |
| Design | Culvert |
| Total Length | 44.9 ft (13.7 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Area | 100.0 sq m |
| Main Spans | 2 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 942 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 007701570013900 |