NH107 over Griffin Brook
GoodMerrimack County, New Hampshire · Deerfield Tl · Structure no. 007901600011100
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 3,391
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NH107 over Griffin Brook is a concrete slab carrying NH107 over Griffin Brook in Merrimack County, New Hampshire. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,391 vehicles a day, roughly 4% of them trucks, projected to reach 5,018 by 2043. The structure is 24 ft (7.3 m) long and 33 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NH107 over Griffin Brook built?
It was built in 2010, making it 15 years old in 2025.
What condition is NH107 over Griffin 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 May 2024.
How much traffic does NH107 over Griffin Brook carry?
About 3,391 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is NH107 over Griffin Brook?
The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 33 ft wide.
Who owns NH107 over Griffin Brook?
It is owned by the State Highway Agency.