Nh 10 over Hewes Brook
GoodGrafton County, New Hampshire · 0.5 MI from Hanover Tl · Structure no. 015700560005800
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Prestressed Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 2,327
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 10 over Hewes Brook is a prestressed concrete culvert carrying Nh 10 over Hewes Brook in Grafton County, New Hampshire. It was built in 1966, so it is 59 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 2,327 vehicles a day, roughly 7% of them trucks, projected to reach 3,443 by 2043. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 14.9 mi (24 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 Nh 10 over Hewes Brook built?
It was built in 1966, making it 59 years old in 2025.
What condition is Nh 10 over Hewes Brook 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 June 2023.
How much traffic does Nh 10 over Hewes Brook carry?
About 2,327 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is Nh 10 over Hewes Brook?
The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).
Who owns Nh 10 over Hewes Brook?
It is owned by the State Highway Agency.