Nh 12 over S Branch Ashuelot River
GoodCheshire County, New Hampshire · 2.2MI to Troy Center · Structure no. 025800800013400
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 8,976
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 12 over S Branch Ashuelot River is a concrete culvert carrying Nh 12 over S Branch Ashuelot River in Cheshire County, New Hampshire. It was built in 1983, so it is 42 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 8,976 vehicles a day, roughly 7% of them trucks, projected to reach 13,284 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 9.9 mi (16 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 12 over S Branch Ashuelot River built?
It was built in 1983, making it 42 years old in 2025.
What condition is Nh 12 over S Branch Ashuelot 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 June 2023.
How much traffic does Nh 12 over S Branch Ashuelot River carry?
About 8,976 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is Nh 12 over S Branch Ashuelot River?
The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m).
Who owns Nh 12 over S Branch Ashuelot River?
It is owned by the State Highway Agency.