US 4 WB over SP Tpk Nh 16
GoodStrafford County, New Hampshire · 0.4 MI JCT US 4 · Structure no. 006501820003600
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 194 ft
- 2 main spans
- Daily traffic
- 14,360
- 2023 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
US 4 WB over SP Tpk Nh 16 is a prestressed concrete continuous stringer/multi-beam or girder carrying US 4 WB over SP Tpk Nh 16 in Strafford County, New Hampshire. It was built in 2020, so it is 5 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 14,360 vehicles a day, roughly 8% of them trucks, projected to reach 21,252 by 2043. The structure is 194 ft (59.1 m) long and 93 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 4 WB over SP Tpk Nh 16 built?
It was built in 2020, making it 5 years old in 2025.
What condition is US 4 WB over SP Tpk Nh 16 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 US 4 WB over SP Tpk Nh 16 carry?
About 14,360 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US 4 WB over SP Tpk Nh 16?
The structure is 194 ft (59.1 m) long with a longest span of 96 ft (29.3 m) and a deck 93 ft wide.
Who owns US 4 WB over SP Tpk Nh 16?
It is owned by the State Toll Authority.