Perch Pond Road over Ryan Brook
PoorGrafton County, New Hampshire · 1.9 MI FR Holderness Tl · Structure no. 003501700007500
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Perch Pond Road over Ryan Brook is a concrete slab carrying Perch Pond Road over Ryan Brook in Grafton County, New Hampshire. It was built in 1940, so it is 85 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 26 ft (7.9 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Perch Pond Road over Ryan Brook built?
It was built in 1940, making it 85 years old in 2025.
What condition is Perch Pond Road over Ryan 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 October 2024.
How much traffic does Perch Pond Road over Ryan Brook carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Perch Pond Road over Ryan Brook?
The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 25 ft wide.
Who owns Perch Pond Road over Ryan Brook?
It is owned by the City or Municipal Highway Agency.