NH125 over Isinglass River
PoorStrafford County, New Hampshire · .1 MI Barrington T.L. · Structure no. 022202060011000
- Built
- 1951
- 74 years old, rebuilt 1979
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 119 ft
- 2 main spans
- Daily traffic
- 14,407
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NH125 over Isinglass River is a steel stringer/multi-beam or girder carrying NH125 over Isinglass River in Strafford County, New Hampshire. It was built in 1951 and reconstructed in 1979, so it is 74 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 14,407 vehicles a day, roughly 5% of them trucks, projected to reach 21,322 by 2043. The structure is 119 ft (36.3 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NH125 over Isinglass River built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1979.
What condition is NH125 over Isinglass 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 NH125 over Isinglass River carry?
About 14,407 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is NH125 over Isinglass River?
The structure is 119 ft (36.3 m) long with a longest span of 57 ft (17.4 m) and a deck 45 ft wide.
Who owns NH125 over Isinglass River?
It is owned by the State Highway Agency.