Nh 3A over Newfound River
GoodGrafton County, New Hampshire · 0.7 MI N of JCT RTE 104 · Structure no. 003200970007500
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 64 ft
- 1 main span
- Daily traffic
- 5,690
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 3A over Newfound River is a prestressed concrete stringer/multi-beam or girder carrying Nh 3A over Newfound River in Grafton 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 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 5,690 vehicles a day, roughly 4% of them trucks, projected to reach 8,421 by 2043. The structure is 64 ft (19.4 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
| 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 Nh 3A over Newfound River built?
It was built in 1999, making it 26 years old in 2025.
What condition is Nh 3A over Newfound 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 July 2023.
How much traffic does Nh 3A over Newfound River carry?
About 5,690 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Nh 3A over Newfound River?
The structure is 64 ft (19.4 m) long with a longest span of 58 ft (17.7 m) and a deck 39 ft wide.
Who owns Nh 3A over Newfound River?
It is owned by the State Highway Agency.