US Bridges

I-95 SB Connector over I-95 NB

Fair

Rockingham County, New Hampshire · SP Tpk I-95 Interchange · Structure no. 021701830012100

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
156 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 is a steel stringer/multi-beam or girder carrying I-95 SB Connector over I-95 NB 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 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 5,680 vehicles a day, roughly 4% of them trucks, projected to reach 8,406 by 2043. The structure is 156 ft (47.5 m) long and 45 ft wide.

CarriesI-95 SB Connector
CrossesI-95 NB
LocationSP Tpk I-95 Interchange
RouteState Highway 95
Coordinates43.07002, -70.78677
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length156 ft (47.5 m)
Longest span154 ft (46.9 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 built?

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

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

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

The structure is 156 ft (47.5 m) long with a longest span of 154 ft (46.9 m) and a deck 45 ft wide.

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

It is owned by the State Toll Authority.