US 3 Nh 11 over Winnipesaukee River
FairMerrimack County, New Hampshire · 4.8MI from Franklin T.L. · Structure no. 008801590011700
- Built
- 1922
- 103 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 12,980
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
US 3 Nh 11 over Winnipesaukee River is a steel stringer/multi-beam or girder carrying US 3 Nh 11 over Winnipesaukee River in Merrimack County, New Hampshire. It was built in 1922, so it is 103 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 12,980 vehicles a day, roughly 5% of them trucks, projected to reach 19,210 by 2043. The structure is 145 ft (44.2 m) long and 51 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 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 US 3 Nh 11 over Winnipesaukee River built?
It was built in 1922, making it 103 years old in 2025.
What condition is US 3 Nh 11 over Winnipesaukee River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does US 3 Nh 11 over Winnipesaukee River carry?
About 12,980 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 3 Nh 11 over Winnipesaukee River?
The structure is 145 ft (44.2 m) long with a longest span of 45 ft (13.7 m) and a deck 51 ft wide.
Who owns US 3 Nh 11 over Winnipesaukee River?
It is owned by the City or Municipal Highway Agency.