Coffin Brook Road over Coffin Brook
GoodBelknap County, New Hampshire · 1.0 MI Nh 140 · Structure no. 000601650012100
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Coffin Brook Road over Coffin Brook is a prestressed concrete box beam or girders - multiple carrying Coffin Brook Road over Coffin Brook in Belknap County, New Hampshire. It was built in 1999, so it is 26 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 27 ft (8.3 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Coffin Brook Road over Coffin Brook built?
It was built in 1999, making it 26 years old in 2025.
What condition is Coffin Brook Road over Coffin 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 September 2023.
How much traffic does Coffin Brook Road over Coffin Brook carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Coffin Brook Road over Coffin Brook?
The structure is 27 ft (8.3 m) long with a longest span of 23 ft (6.9 m) and a deck 23 ft wide.
Who owns Coffin Brook Road over Coffin Brook?
It is owned by the City or Municipal Highway Agency.