Nh 3A over Newfound River
PoorGrafton County, New Hampshire · 2.0 Mi. from Hill T.L. · Structure no. 003201090006100
- Built
- 1949
- 76 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 72 ft
- 2 main spans
- Daily traffic
- 2,878
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 3A over Newfound River is a steel continuous stringer/multi-beam or girder carrying Nh 3A over Newfound River in Grafton County, New Hampshire. It was built in 1949, so it is 76 years old, older than the New Hampshire average of 56.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,878 vehicles a day, roughly 4% of them trucks, projected to reach 4,259 by 2043. The structure is 72 ft (21.9 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nh 3A over Newfound River built?
It was built in 1949, making it 76 years old in 2025.
What condition is Nh 3A over Newfound River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.
How much traffic does Nh 3A over Newfound River carry?
About 2,878 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Nh 3A over Newfound River?
The structure is 72 ft (21.9 m) long with a longest span of 34 ft (10.4 m) and a deck 51 ft wide.
Who owns Nh 3A over Newfound River?
It is owned by the State Highway Agency.