US Bridges

Nh 16 SP Tpk over Jones Access Road

Good

Strafford County, New Hampshire · 6.6 MI N of Rochester Tl · Structure no. 017301240011600

Built
1980
45 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
14,518
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nh 16 SP Tpk over Jones Access Road is a concrete culvert carrying Nh 16 SP Tpk over Jones Access Road in Strafford County, New Hampshire. It was built in 1980, so it is 45 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 14,518 vehicles a day, roughly 7% of them trucks, projected to reach 21,486 by 2043. The structure is 33 ft (10.1 m) long and 65 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesNh 16 SP Tpk
CrossesJones Access Road
Location6.6 MI N of Rochester Tl
RouteState Highway 16
CountyStrafford County
StateNew Hampshire
Coordinates43.46471, -70.99741
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length33 ft (10.1 m)
Longest span28 ft (8.5 m)
Deck width65 ft (19.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,518 (2023)
Projected traffic21,486 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nh 16 SP Tpk over Jones Access Road built?

It was built in 1980, making it 45 years old in 2025.

What condition is Nh 16 SP Tpk over Jones Access Road 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 June 2023.

How much traffic does Nh 16 SP Tpk over Jones Access Road carry?

About 14,518 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 16 SP Tpk over Jones Access Road?

The structure is 33 ft (10.1 m) long with a longest span of 28 ft (8.5 m) and a deck 65 ft wide.

Who owns Nh 16 SP Tpk over Jones Access Road?

It is owned by the State Toll Authority.