Main Street over Suncook River
GoodMerrimack County, New Hampshire · Allenstown Tl · Structure no. 020602030008800
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 125 ft
- 1 main span
- Daily traffic
- 3,640
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Main Street over Suncook River is a steel stringer/multi-beam or girder carrying Main Street over Suncook River in Merrimack County, New Hampshire. It was built in 2005, so it is 20 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,640 vehicles a day, roughly 10% of them trucks, projected to reach 5,387 by 2043. The structure is 125 ft (38.1 m) long and 50 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main Street over Suncook River built?
It was built in 2005, making it 20 years old in 2025.
What condition is Main Street over Suncook River 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 April 2023.
How much traffic does Main Street over Suncook River carry?
About 3,640 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Main Street over Suncook River?
The structure is 125 ft (38.1 m) long with a longest span of 118 ft (36 m) and a deck 50 ft wide.
Who owns Main Street over Suncook River?
It is owned by the State Highway Agency.