Nh 9 over Soucook River
FairMerrimack County, New Hampshire · Pembroke Tl · Structure no. 005201600018800
- Built
- 1936
- 89 years old, rebuilt 1989
- Condition
- Fair
- inspected May 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 178 ft
- 3 main spans
- Daily traffic
- 8,465
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 9 over Soucook River is a concrete continuous tee beam carrying Nh 9 over Soucook River in Merrimack County, New Hampshire. It was built in 1936 and reconstructed in 1989, so it is 89 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 8,465 vehicles a day, roughly 5% of them trucks, projected to reach 12,528 by 2043. The structure is 178 ft (54.3 m) long and 49 ft wide. If it were closed, the detour would be 19.9 mi (32 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 9 over Soucook River built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1989.
What condition is Nh 9 over Soucook River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does Nh 9 over Soucook River carry?
About 8,465 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Nh 9 over Soucook River?
The structure is 178 ft (54.3 m) long with a longest span of 70 ft (21.3 m) and a deck 49 ft wide.
Who owns Nh 9 over Soucook River?
It is owned by the State Highway Agency.