NH115A over Cherry Mill Brook
GoodCoos County, New Hampshire · 3.1 MI Carroll Tl · Structure no. 013500920007300
- Built
- 1950
- 75 years old
- Condition
- Good
- inspected March 2024
- Type
- Frame
- Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 519
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NH115A over Cherry Mill Brook is a concrete frame carrying NH115A over Cherry Mill Brook in Coos County, New Hampshire. It was built in 1950, so it is 75 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 519 vehicles a day, roughly 10% of them trucks, projected to reach 768 by 2043. The structure is 36 ft (11.1 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 NH115A over Cherry Mill Brook built?
It was built in 1950, making it 75 years old in 2025.
What condition is NH115A over Cherry Mill Brook in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does NH115A over Cherry Mill Brook carry?
About 519 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is NH115A over Cherry Mill Brook?
The structure is 36 ft (11.1 m) long with a longest span of 32 ft (9.8 m) and a deck 31 ft wide.
Who owns NH115A over Cherry Mill Brook?
It is owned by the State Highway Agency.