New Boston Road over North Branch River
GoodRockingham County, New Hampshire · 2.7 MI from Raymond Tl · Structure no. 003701450012900
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 400
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
New Boston Road over North Branch River is a prestressed concrete slab carrying New Boston Road over North Branch River in Rockingham County, New Hampshire. It was built in 1985, so it is 40 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 400 vehicles a day, roughly 4% of them trucks, projected to reach 592 by 2043. The structure is 45 ft (13.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was New Boston Road over North Branch River built?
It was built in 1985, making it 40 years old in 2025.
What condition is New Boston Road over North Branch 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 October 2024.
How much traffic does New Boston Road over North Branch River carry?
About 400 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is New Boston Road over North Branch River?
The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.
Who owns New Boston Road over North Branch River?
It is owned by the City or Municipal Highway Agency.