Nh 49 over Pemigewasset River
PoorGrafton County, New Hampshire · 0.25 MI E JCT US 3 · Structure no. 003501240012900
- Built
- 1928
- 97 years old
- Condition
- Poor
- inspected November 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 217 ft
- 2 main spans
- Daily traffic
- 1,917
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 49 over Pemigewasset River is a steel girder and floorbeam system carrying Nh 49 over Pemigewasset River in Grafton County, New Hampshire. It was built in 1928, so it is 97 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 1,917 vehicles a day, roughly 4% of them trucks, projected to reach 2,837 by 2043. The structure is 217 ft (66.1 m) long and 26 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Nh 49 over Pemigewasset River built?
It was built in 1928, making it 97 years old in 2025.
What condition is Nh 49 over Pemigewasset 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 Nh 49 over Pemigewasset River carry?
About 1,917 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Nh 49 over Pemigewasset River?
The structure is 217 ft (66.1 m) long with a longest span of 105 ft (32 m) and a deck 26 ft wide.
Who owns Nh 49 over Pemigewasset River?
It is owned by the State Highway Agency.