Merrimack Road over Beaver Brook
GoodHillsborough County, New Hampshire · 0.5 MI Nh 101 · Structure no. 000701770010800
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected June 2023
- Type
- Frame
- Concrete Continuous
- Length
- 34 ft
- 2 main spans
- Daily traffic
- 1,865
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Merrimack Road over Beaver Brook is a concrete continuous frame carrying Merrimack Road over Beaver Brook in Hillsborough County, New Hampshire. It was built in 1986, so it is 39 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 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 1,865 vehicles a day, roughly 4% of them trucks, projected to reach 2,760 by 2043. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Merrimack Road over Beaver Brook built?
It was built in 1986, making it 39 years old in 2025.
What condition is Merrimack Road over Beaver 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 June 2023.
How much traffic does Merrimack Road over Beaver Brook carry?
About 1,865 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Merrimack Road over Beaver Brook?
The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 34 ft wide.
Who owns Merrimack Road over Beaver Brook?
It is owned by the City or Municipal Highway Agency.