Belknap Mt Road over Gunstock River
GoodBelknap County, New Hampshire · 100 South Nh 11-A · Structure no. 009101410008900
- Built
- 1900
- 125 years old, rebuilt 1992
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 886
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Belknap Mt Road over Gunstock River is a concrete slab carrying Belknap Mt Road over Gunstock River in Belknap County, New Hampshire. It was built in 1900 and reconstructed in 1992, so it is 125 years old, older 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 886 vehicles a day, roughly 4% of them trucks, projected to reach 1,311 by 2043. The structure is 24 ft (7.3 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Belknap Mt Road over Gunstock River built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1992.
What condition is Belknap Mt Road over Gunstock River 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 May 2023.
How much traffic does Belknap Mt Road over Gunstock River carry?
About 886 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Belknap Mt Road over Gunstock River?
The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 38 ft wide.
Who owns Belknap Mt Road over Gunstock River?
It is owned by the State Highway Agency.