Cobb Farm Road over Razor Brook
GoodCarroll County, New Hampshire · 1.9 MI FR Harts Location · Structure no. 001701080011400
- Built
- 1935
- 90 years old, rebuilt 1990
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Wood or Timber
- Length
- 24 ft
- 1 main span
- Daily traffic
- 318
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Cobb Farm Road over Razor Brook is a wood or timber slab carrying Cobb Farm Road over Razor Brook in Carroll County, New Hampshire. It was built in 1935 and reconstructed in 1990, so it is 90 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 318 vehicles a day, roughly 4% of them trucks, projected to reach 470 by 2043. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cobb Farm Road over Razor Brook built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1990.
What condition is Cobb Farm Road over Razor 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 August 2024.
How much traffic does Cobb Farm Road over Razor Brook carry?
About 318 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Cobb Farm Road over Razor Brook?
The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.
Who owns Cobb Farm Road over Razor Brook?
It is owned by the City or Municipal Highway Agency.