US Bridges

NH107 over I-95

Good

Rockingham County, New Hampshire · .8 MI N of Mass Sl · Structure no. 023400960012000

Built
1967
58 years old, rebuilt 2014
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
2 main spans
Daily traffic
22,291
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

NH107 over I-95 is a steel continuous stringer/multi-beam or girder carrying NH107 over I-95 in Rockingham County, New Hampshire. It was built in 1967 and reconstructed in 2014, so it is 58 years old, older 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 22,291 vehicles a day, roughly 7% of them trucks, projected to reach 32,990 by 2043. The structure is 222 ft (67.8 m) long and 74 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNH107
CrossesI-95
Location.8 MI N of Mass Sl
RouteState Highway 107
Coordinates42.89461, -70.87995
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.3 US tons
Inventory rating28.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length222 ft (67.8 m)
Longest span117 ft (35.7 m)
Deck width74 ft (22.6 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,291 (2023)
Projected traffic32,990 by 2043
Trucks7%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 NH107 over I-95 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2014.

What condition is NH107 over I-95 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 2024.

How much traffic does NH107 over I-95 carry?

About 22,291 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NH107 over I-95?

The structure is 222 ft (67.8 m) long with a longest span of 117 ft (35.7 m) and a deck 74 ft wide.

Who owns NH107 over I-95?

It is owned by the State Toll Authority.