Nh 9 Nh 10 Nh 12 over West Street
GoodCheshire County, New Hampshire · 1.0 MI to Keene Center · Structure no. 013601200007600
- Built
- 1967
- 58 years old, rebuilt 2014
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 89 ft
- 1 main span
- Daily traffic
- 16,222
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 9 Nh 10 Nh 12 over West Street is a steel stringer/multi-beam or girder carrying Nh 9 Nh 10 Nh 12 over West Street in Cheshire County, New Hampshire. It was built in 1967 and reconstructed in 2014, so it is 58 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 16,222 vehicles a day, roughly 5% of them trucks, projected to reach 24,008 by 2043. The structure is 89 ft (27.1 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nh 9 Nh 10 Nh 12 over West Street built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2014.
What condition is Nh 9 Nh 10 Nh 12 over West Street 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 March 2023.
How much traffic does Nh 9 Nh 10 Nh 12 over West Street carry?
About 16,222 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Nh 9 Nh 10 Nh 12 over West Street?
The structure is 89 ft (27.1 m) long with a longest span of 83 ft (25.3 m) and a deck 50 ft wide.
Who owns Nh 9 Nh 10 Nh 12 over West Street?
It is owned by the State Highway Agency.