US Bridges

I-293 NB Off Ramp over I-293 Nh 3A Fee Tpk

Good

Hillsborough County, New Hampshire · 1.5 E JCT Rt 28 · Structure no. 016101520006200

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
2 main spans
Daily traffic
5,504
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-293 NB Off Ramp over I-293 Nh 3A Fee Tpk is a steel continuous stringer/multi-beam or girder carrying I-293 NB Off Ramp over I-293 Nh 3A Fee Tpk in Hillsborough County, New Hampshire. It was built in 2016, so it is 9 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 5,504 vehicles a day, roughly 6% of them trucks, projected to reach 8,145 by 2043. The structure is 246 ft (75 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-293 NB Off Ramp
CrossesI-293 Nh 3A Fee Tpk
Location1.5 E JCT Rt 28
RouteInterstate 293
CountyHillsborough County
StateNew Hampshire
Coordinates42.97294, -71.47447
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating81.9 US tons
Inventory rating63.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length246 ft (75 m)
Longest span140 ft (42.7 m)
Deck width23 ft (7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,504 (2023)
Projected traffic8,145 by 2043
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-293 NB Off Ramp over I-293 Nh 3A Fee Tpk built?

It was built in 2016, making it 9 years old in 2025.

What condition is I-293 NB Off Ramp over I-293 Nh 3A Fee 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 I-293 NB Off Ramp over I-293 Nh 3A Fee Tpk carry?

About 5,504 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I-293 NB Off Ramp over I-293 Nh 3A Fee Tpk?

The structure is 246 ft (75 m) long with a longest span of 140 ft (42.7 m) and a deck 23 ft wide.

Who owns I-293 NB Off Ramp over I-293 Nh 3A Fee Tpk?

It is owned by the State Toll Authority.