North Groton Road over Cockermouth River
GoodGrafton County, New Hampshire · 0.5 MI from Hebron Tl · Structure no. 010501640006600
- Built
- 1930
- 95 years old, rebuilt 1997
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 69 ft
- 1 main span
- Daily traffic
- 173
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
North Groton Road over Cockermouth River is a prestressed concrete box beam or girders - multiple carrying North Groton Road over Cockermouth River in Grafton County, New Hampshire. It was built in 1930 and reconstructed in 1997, so it is 95 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 173 vehicles a day, roughly 10% of them trucks, projected to reach 256 by 2043. The structure is 69 ft (21 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was North Groton Road over Cockermouth River built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1997.
What condition is North Groton Road over Cockermouth 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 April 2023.
How much traffic does North Groton Road over Cockermouth River carry?
About 173 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is North Groton Road over Cockermouth River?
The structure is 69 ft (21 m) long with a longest span of 64 ft (19.6 m) and a deck 30 ft wide.
Who owns North Groton Road over Cockermouth River?
It is owned by the State Highway Agency.