Sixth Street over Nh 16 SP Tpk
GoodStrafford County, New Hampshire · 1.2 Mi. from Jct. 16 · Structure no. 006501050013800
- Built
- 1957
- 68 years old, rebuilt 2001
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 180 ft
- 4 main spans
- Daily traffic
- 5,442
- 2023 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
Sixth Street over Nh 16 SP Tpk is a steel continuous stringer/multi-beam or girder carrying Sixth Street over Nh 16 SP Tpk in Strafford County, New Hampshire. It was built in 1957 and reconstructed in 2001, so it is 68 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 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 5,442 vehicles a day, roughly 3% of them trucks, projected to reach 8,054 by 2043. The structure is 180 ft (54.9 m) long and 35 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sixth Street over Nh 16 SP Tpk built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2001.
What condition is Sixth Street over Nh 16 SP Tpk 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 Sixth Street over Nh 16 SP Tpk carry?
About 5,442 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Sixth Street over Nh 16 SP Tpk?
The structure is 180 ft (54.9 m) long with a longest span of 48 ft (14.5 m) and a deck 35 ft wide.
Who owns Sixth Street over Nh 16 SP Tpk?
It is owned by the State Toll Authority.