US Bridges

Nh 27 over NH101

Good

Rockingham County, New Hampshire · JCT Nh 27/NH101 · Structure no. 008200680010200

Built
1999
26 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
219 ft
2 main spans
Daily traffic
11,782
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 1999, so it is 26 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 11,782 vehicles a day, roughly 4% of them trucks, projected to reach 17,437 by 2043. The structure is 219 ft (66.8 m) long and 81 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNh 27
CrossesNH101
LocationJCT Nh 27/NH101
RouteState Highway 27
Coordinates43.00162, -70.97617
Functional classRural 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 2024
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 rating84.2 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length219 ft (66.8 m)
Longest span107 ft (32.6 m)
Deck width81 ft (24.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,782 (2023)
Projected traffic17,437 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
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 1999, making it 26 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 2024.

How much traffic does Nh 27 over NH101 carry?

About 11,782 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nh 27 over NH101?

The structure is 219 ft (66.8 m) long with a longest span of 107 ft (32.6 m) and a deck 81 ft wide.

Who owns Nh 27 over NH101?

It is owned by the State Highway Agency.