Carleton Hill Road over Mohawk River
PoorCoos County, New Hampshire · 0.15 MI SE JCT Nh 26 · Structure no. 005001020008300
- Built
- 1935
- 90 years old
- Condition
- Poor
- inspected November 2024
- Type
- Tee Beam
- Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 451
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Carleton Hill Road over Mohawk River is a concrete tee beam carrying Carleton Hill Road over Mohawk River in Coos County, New Hampshire. It was built in 1935, 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 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 451 vehicles a day, projected to reach 667 by 2043. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Carleton Hill Road over Mohawk River built?
It was built in 1935, making it 90 years old in 2025.
What condition is Carleton Hill Road over Mohawk River 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 November 2024.
How much traffic does Carleton Hill Road over Mohawk River carry?
About 451 vehicles per day (2023 count).
How long is Carleton Hill Road over Mohawk River?
The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 24 ft wide.
Who owns Carleton Hill Road over Mohawk River?
It is owned by the State Highway Agency.