Griffin Hill Road over Warren Brook
GoodCheshire County, New Hampshire · 0.05 MI N of Nh 123 · Structure no. 000500860015800
- Built
- 1920
- 105 years old, rebuilt 2004
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Griffin Hill Road over Warren Brook is a concrete slab carrying Griffin Hill Road over Warren Brook in Cheshire County, New Hampshire. It was built in 1920 and reconstructed in 2004, so it is 105 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 35 ft (10.8 m) long and 20 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 Griffin Hill Road over Warren Brook built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2004.
What condition is Griffin Hill Road over Warren 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 August 2024.
How much traffic does Griffin Hill Road over Warren Brook carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Griffin Hill Road over Warren Brook?
The structure is 35 ft (10.8 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.
Who owns Griffin Hill Road over Warren Brook?
It is owned by the City or Municipal Highway Agency.