US Bridges

I-95 SB Connector over I-95 NB Ramp

Good

Rockingham County, New Hampshire · SP Tpk I-95 Interchange · Structure no. 021701800012200

Built
1972
53 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
5,680
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95 SB Connector over I-95 NB Ramp is a steel stringer/multi-beam or girder carrying I-95 SB Connector over I-95 NB Ramp in Rockingham County, New Hampshire. It was built in 1972, so it is 53 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 5,680 vehicles a day, roughly 4% of them trucks, projected to reach 8,406 by 2043. The structure is 116 ft (35.4 m) long and 45 ft wide.

Location

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CarriesI-95 SB Connector
CrossesI-95 NB Ramp
LocationSP Tpk I-95 Interchange
RouteState Highway 16
CountyRockingham County
StateNew Hampshire
Coordinates43.06963, -70.78776
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 rating54.5 US tons
Inventory rating32.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length116 ft (35.4 m)
Longest span114 ft (34.7 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,680 (2023)
Projected traffic8,406 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 SB Connector over I-95 NB Ramp built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-95 SB Connector over I-95 NB Ramp 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 June 2023.

How much traffic does I-95 SB Connector over I-95 NB Ramp carry?

About 5,680 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is I-95 SB Connector over I-95 NB Ramp?

The structure is 116 ft (35.4 m) long with a longest span of 114 ft (34.7 m) and a deck 45 ft wide.

Who owns I-95 SB Connector over I-95 NB Ramp?

It is owned by the State Toll Authority.