US Bridges

NH101 WB over Fee Tpk

Fair

Hillsborough County, New Hampshire · .3 MI JCT Rt 3 · Structure no. 001901860013100

Built
1993
32 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
177 ft
2 main spans
Daily traffic
35,647
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

NH101 WB over Fee Tpk is a steel stringer/multi-beam or girder carrying NH101 WB over Fee Tpk in Hillsborough County, New Hampshire. It was built in 1993, so it is 32 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 35,647 vehicles a day, roughly 8% of them trucks, projected to reach 52,757 by 2043. The structure is 177 ft (53.9 m) long and 53 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNH101 WB
CrossesFee Tpk
Location.3 MI JCT Rt 3
RouteState Highway 101
Coordinates42.94904, -71.47225
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length177 ft (53.9 m)
Longest span85 ft (25.9 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,647 (2023)
Projected traffic52,757 by 2043
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 NH101 WB over Fee Tpk built?

It was built in 1993, making it 32 years old in 2025.

What condition is NH101 WB over Fee Tpk 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 NH101 WB over Fee Tpk carry?

About 35,647 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is NH101 WB over Fee Tpk?

The structure is 177 ft (53.9 m) long with a longest span of 85 ft (25.9 m) and a deck 53 ft wide.

Who owns NH101 WB over Fee Tpk?

It is owned by the State Toll Authority.