Alvah Wilson Road over Gunstock River
FairBelknap County, New Hampshire · 0.29 MI FR Nh RTE 11A · Structure no. 009101500008900
- Built
- 1973
- 52 years old, rebuilt 2012
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 27 ft
- 1 main span
- Daily traffic
- 510
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Alvah Wilson Road over Gunstock River is a steel stringer/multi-beam or girder carrying Alvah Wilson Road over Gunstock River in Belknap County, New Hampshire. It was built in 1973 and reconstructed in 2012, so it is 52 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 510 vehicles a day, roughly 4% of them trucks, projected to reach 754 by 2043. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Alvah Wilson Road over Gunstock River built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2012.
What condition is Alvah Wilson Road over Gunstock River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Alvah Wilson Road over Gunstock River carry?
About 510 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Alvah Wilson Road over Gunstock River?
The structure is 27 ft (8.2 m) long with a longest span of 22 ft (6.7 m) and a deck 33 ft wide.
Who owns Alvah Wilson Road over Gunstock River?
It is owned by the City or Municipal Highway Agency.