Center Hill Road over Little Suncook River
FairMerrimack County, New Hampshire · 200FT NH9 · Structure no. 007901170012000
- Built
- 1978
- 47 years old, rebuilt 2008
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 39 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Center Hill Road over Little Suncook River is a steel stringer/multi-beam or girder carrying Center Hill Road over Little Suncook River in Merrimack County, New Hampshire. It was built in 1978 and reconstructed in 2008, so it is 47 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 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 39 ft (11.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 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 Center Hill Road over Little Suncook River built?
It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2008.
What condition is Center Hill Road over Little Suncook 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 August 2024.
How much traffic does Center Hill Road over Little Suncook River carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Center Hill Road over Little Suncook River?
The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.
Who owns Center Hill Road over Little Suncook River?
It is owned by the City or Municipal Highway Agency.