US 4 US202 Nh 9 over Suncook River
GoodMerrimack County, New Hampshire · .3 MI East JCT Rt 28 · Structure no. 007900860012700
- Built
- 1971
- 54 years old, rebuilt 1996
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 84 ft
- 1 main span
- Daily traffic
- 17,061
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 4 US202 Nh 9 over Suncook River is a steel stringer/multi-beam or girder carrying US 4 US202 Nh 9 over Suncook River in Merrimack County, New Hampshire. It was built in 1971 and reconstructed in 1996, so it is 54 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 17,061 vehicles a day, roughly 7% of them trucks, projected to reach 25,250 by 2043. The structure is 84 ft (25.6 m) long and 57 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 4 US202 Nh 9 over Suncook River built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1996.
What condition is US 4 US202 Nh 9 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 May 2024.
How much traffic does US 4 US202 Nh 9 over Suncook River carry?
About 17,061 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is US 4 US202 Nh 9 over Suncook River?
The structure is 84 ft (25.6 m) long with a longest span of 74 ft (22.6 m) and a deck 57 ft wide.
Who owns US 4 US202 Nh 9 over Suncook River?
It is owned by the State Highway Agency.