Twin Bridge Road over Whichier Brook
GoodMerrimack County, New Hampshire · 40 Ft FR Belmont Tl · Structure no. 019601730013400
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Twin Bridge Road over Whichier Brook is a concrete culvert carrying Twin Bridge Road over Whichier Brook in Merrimack County, New Hampshire. It was built in 1998, so it is 27 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 22 ft (6.7 m) long. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twin Bridge Road over Whichier Brook built?
It was built in 1998, making it 27 years old in 2025.
What condition is Twin Bridge Road over Whichier 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 2023.
How much traffic does Twin Bridge Road over Whichier Brook carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Twin Bridge Road over Whichier Brook?
The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).
Who owns Twin Bridge Road over Whichier Brook?
It is owned by the City or Municipal Highway Agency.