US Bridges

I-293 Fee Tpk over Hackett Hill Road

Fair

Hillsborough County, New Hampshire · .2MI S Hooksett T.L. · Structure no. 016100620006200

Built
1956
69 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
40,862
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-293 Fee Tpk over Hackett Hill Road is a concrete culvert carrying I-293 Fee Tpk over Hackett Hill Road in Hillsborough County, New Hampshire. It was built in 1956, so it is 69 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 fair condition with a lowest component rating of 5 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 40,862 vehicles a day, roughly 6% of them trucks, projected to reach 60,475 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-293 Fee Tpk
CrossesHackett Hill Road
Location.2MI S Hooksett T.L.
RouteInterstate 293
Coordinates43.03705, -71.48286
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,862 (2023)
Projected traffic60,475 by 2043
Trucks6%
Lanes on structure4
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 Fee Tpk over Hackett Hill Road built?

It was built in 1956, making it 69 years old in 2025.

What condition is I-293 Fee Tpk over Hackett Hill Road 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 I-293 Fee Tpk over Hackett Hill Road carry?

About 40,862 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I-293 Fee Tpk over Hackett Hill Road?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m).

Who owns I-293 Fee Tpk over Hackett Hill Road?

It is owned by the State Toll Authority.