Nh 11 over Poor Farm Brook
PoorBelknap County, New Hampshire · 1.7 MI S Alton Tl · Structure no. 009101150014700
- Built
- 1966
- 59 years old, rebuilt 2000
- Condition
- Poor
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 5,227
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 11 over Poor Farm Brook is a prestressed concrete box beam or girders - multiple carrying Nh 11 over Poor Farm Brook in Belknap County, New Hampshire. It was built in 1966 and reconstructed in 2000, so it is 59 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 5,227 vehicles a day, roughly 7% of them trucks, projected to reach 7,735 by 2043. The structure is 30 ft (9.1 m) long and 56 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nh 11 over Poor Farm Brook built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2000.
What condition is Nh 11 over Poor Farm Brook 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 11 over Poor Farm Brook carry?
About 5,227 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is Nh 11 over Poor Farm Brook?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 56 ft wide.
Who owns Nh 11 over Poor Farm Brook?
It is owned by the State Highway Agency.