Nh 9 over I-393 US 4 US202
GoodMerrimack County, New Hampshire · .2 MI W Pembrook Tl · Structure no. 005201650017700
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 302 ft
- 2 main spans
- Daily traffic
- 8,465
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nh 9 over I-393 US 4 US202 is a steel continuous stringer/multi-beam or girder carrying Nh 9 over I-393 US 4 US202 in Merrimack County, New Hampshire. It was built in 1988, so it is 37 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,465 vehicles a day, roughly 6% of them trucks, projected to reach 12,528 by 2043. The structure is 302 ft (92 m) long and 46 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nh 9 over I-393 US 4 US202 built?
It was built in 1988, making it 37 years old in 2025.
What condition is Nh 9 over I-393 US 4 US202 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 May 2023.
How much traffic does Nh 9 over I-393 US 4 US202 carry?
About 8,465 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is Nh 9 over I-393 US 4 US202?
The structure is 302 ft (92 m) long with a longest span of 150 ft (45.7 m) and a deck 46 ft wide.
Who owns Nh 9 over I-393 US 4 US202?
It is owned by the State Highway Agency.