US Bridges

I-95 over Market Street

Good

Rockingham County, New Hampshire · 1.5 MI from Maine Sl · Structure no. 021702310012500

Built
1970
55 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
107 ft
1 main span
Daily traffic
70,573
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-95 over Market Street is a steel stringer/multi-beam or girder carrying I-95 over Market Street in Rockingham County, New Hampshire. It was built in 1970, so it is 55 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 70,573 vehicles a day, roughly 6% of them trucks, projected to reach 104,448 by 2043. The structure is 107 ft (32.6 m) long and 124 ft wide.

Location

Open in Google Maps
CarriesI-95
CrossesMarket Street
Location1.5 MI from Maine Sl
RouteInterstate 95
CountyRockingham County
StateNew Hampshire
Coordinates43.08429, -70.77351
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 rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length107 ft (32.6 m)
Longest span103 ft (31.4 m)
Deck width124 ft (37.9 m)
Roadway width119 ft (36.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,573 (2023)
Projected traffic104,448 by 2043
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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-95 over Market Street built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-95 over Market Street 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 over Market Street carry?

About 70,573 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I-95 over Market Street?

The structure is 107 ft (32.6 m) long with a longest span of 103 ft (31.4 m) and a deck 124 ft wide.

Who owns I-95 over Market Street?

It is owned by the State Toll Authority.