US Bridges

Nh 27 over NH101

Good

Rockingham County, New Hampshire · .3 MI from Jct. I-95 · Structure no. 011101230017300

Built
1996
29 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
2 main spans
Daily traffic
10,248
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 27 over NH101 is a steel continuous stringer/multi-beam or girder carrying Nh 27 over NH101 in Rockingham County, New Hampshire. It was built in 1996, so it is 29 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 10,248 vehicles a day, roughly 2% of them trucks, projected to reach 15,167 by 2043. The structure is 234 ft (71.3 m) long and 64 ft wide.

Location

Open in Google Maps
CarriesNh 27
CrossesNH101
Location.3 MI from Jct. I-95
RouteState Highway 101C
CountyRockingham County
StateNew Hampshire
Coordinates42.95616, -70.85304
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.
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 rating99 US tons
Inventory rating59.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length234 ft (71.3 m)
Longest span120 ft (36.6 m)
Deck width64 ft (19.4 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,248 (2023)
Projected traffic15,167 by 2043
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Nh 27 over NH101 built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nh 27 over NH101 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 May 2023.

How much traffic does Nh 27 over NH101 carry?

About 10,248 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Nh 27 over NH101?

The structure is 234 ft (71.3 m) long with a longest span of 120 ft (36.6 m) and a deck 64 ft wide.

Who owns Nh 27 over NH101?

It is owned by the State Highway Agency.