US Bridges

Toll Plaza Access over Fee Tpk NB On-Ramp

Fair

Hillsborough County, New Hampshire · 1/4 South of Plaza · Structure no. 001901980008600

Built
2010
15 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
50
2010 count
Owner
Toll Authority
State Toll Authority

About this bridge

Toll Plaza Access over Fee Tpk NB On-Ramp is a prestressed concrete stringer/multi-beam or girder carrying Toll Plaza Access over Fee Tpk NB On-Ramp in Hillsborough County, New Hampshire. It was built in 2010, so it is 15 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, projected to reach 74 by 2030. The structure is 96 ft (29.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesToll Plaza Access
CrossesFee Tpk NB On-Ramp
Location1/4 South of Plaza
CountyHillsborough County
StateNew Hampshire
Coordinates42.91443, -71.46339
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.1 US tons
Inventory rating49.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length96 ft (29.3 m)
Longest span82 ft (25 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2010)
Projected traffic74 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
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 Toll Plaza Access over Fee Tpk NB On-Ramp built?

It was built in 2010, making it 15 years old in 2025.

What condition is Toll Plaza Access over Fee Tpk NB On-Ramp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Toll Plaza Access over Fee Tpk NB On-Ramp carry?

About 50 vehicles per day (2010 count).

How long is Toll Plaza Access over Fee Tpk NB On-Ramp?

The structure is 96 ft (29.3 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.

Who owns Toll Plaza Access over Fee Tpk NB On-Ramp?

It is owned by the State Toll Authority.