Nh 11 over Merrymeeting River
PoorBelknap County, New Hampshire · 8.5 MI from Gilford Tl · Structure no. 000601630018400
- Built
- 1934
- 91 years old
- Condition
- Poor
- inspected November 2024
- Type
- Frame
- Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 10,346
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 11 over Merrymeeting River is a concrete frame carrying Nh 11 over Merrymeeting River in Belknap County, New Hampshire. It was built in 1934, so it is 91 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 10,346 vehicles a day, roughly 7% of them trucks, projected to reach 15,312 by 2043. The structure is 35 ft (10.7 m) long and 38 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 11 over Merrymeeting River built?
It was built in 1934, making it 91 years old in 2025.
What condition is Nh 11 over Merrymeeting 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 11 over Merrymeeting River carry?
About 10,346 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is Nh 11 over Merrymeeting River?
The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.
Who owns Nh 11 over Merrymeeting River?
It is owned by the State Highway Agency.