US Bridges

I-95 Ramp over NH101

Fair

Rockingham County, New Hampshire · At I-95 Interchange · Structure no. 011100980018200

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
2 main spans
Daily traffic
20,968
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95 Ramp over NH101 is a steel continuous stringer/multi-beam or girder carrying I-95 Ramp over NH101 in Rockingham County, New Hampshire. It was built in 1976, so it is 49 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 20,968 vehicles a day, roughly 9% of them trucks, projected to reach 31,032 by 2043. The structure is 234 ft (71.3 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-95 Ramp
CrossesNH101
LocationAt I-95 Interchange
CountyRockingham County
StateNew Hampshire
Coordinates42.96172, -70.86351
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length234 ft (71.3 m)
Longest span117 ft (35.7 m)
Deck width61 ft (18.5 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,968 (2023)
Projected traffic31,032 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll 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-95 Ramp over NH101 built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-95 Ramp over NH101 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 May 2023.

How much traffic does I-95 Ramp over NH101 carry?

About 20,968 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-95 Ramp over NH101?

The structure is 234 ft (71.3 m) long with a longest span of 117 ft (35.7 m) and a deck 61 ft wide.

Who owns I-95 Ramp over NH101?

It is owned by the State Toll Authority.