Lockhaven Road over Crystal Lake Outlet
GoodGrafton County, New Hampshire · 3.4 MI FR Grafton Tl · Structure no. 007701570013900
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Aluminum, Wrought Iron, or Cast Iron
- Length
- 45 ft
- 2 main spans
- Daily traffic
- 942
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Lockhaven Road over Crystal Lake Outlet is a aluminum, wrought iron, or cast iron culvert carrying Lockhaven Road over Crystal Lake Outlet in Grafton County, New Hampshire. It was built in 1982, so it is 43 years old, younger than the New Hampshire average of 56.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 942 vehicles a day, roughly 4% of them trucks, projected to reach 1,394 by 2043. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lockhaven Road over Crystal Lake Outlet built?
It was built in 1982, making it 43 years old in 2025.
What condition is Lockhaven Road over Crystal Lake Outlet in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does Lockhaven Road over Crystal Lake Outlet carry?
About 942 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Lockhaven Road over Crystal Lake Outlet?
The structure is 45 ft (13.7 m) long with a longest span of 19 ft (5.8 m).
Who owns Lockhaven Road over Crystal Lake Outlet?
It is owned by the City or Municipal Highway Agency.