Fish Hatchery Road over Patch Brook
PoorGrafton County, New Hampshire · 0.17MI NH25 · Structure no. 026401200005800
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 33 ft
- 1 main span
- Daily traffic
- 45
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Fish Hatchery Road over Patch Brook is a steel stringer/multi-beam or girder carrying Fish Hatchery Road over Patch Brook in Grafton County, New Hampshire. It was built in 1930, so it is 95 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 3 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 45 vehicles a day, roughly 4% of them trucks, projected to reach 66 by 2043. The structure is 33 ft (10.1 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Fish Hatchery Road over Patch Brook built?
It was built in 1930, making it 95 years old in 2025.
What condition is Fish Hatchery Road over Patch 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 Fish Hatchery Road over Patch Brook carry?
About 45 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Fish Hatchery Road over Patch Brook?
The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.
Who owns Fish Hatchery Road over Patch Brook?
It is owned by the City or Municipal Highway Agency.