US Bridges

NH101 WB over Hooksett Road

Good

Rockingham County, New Hampshire · 1.7 MI Manchester Tl · Structure no. 001300800015400

Built
1972
53 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
1 main span
Daily traffic
26,196
2023 count
Owner
State
State Highway Agency

About this bridge

NH101 WB over Hooksett Road is a steel stringer/multi-beam or girder carrying NH101 WB over Hooksett Road 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 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 26,196 vehicles a day, roughly 7% of them trucks, projected to reach 38,770 by 2043. The structure is 128 ft (38.9 m) long and 54 ft wide.

CarriesNH101 WB
CrossesHooksett Road
Location1.7 MI Manchester Tl
RouteState Highway 101
Coordinates43.02343, -71.36643
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMarch 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 rating55.8 US tons
Inventory rating33.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length128 ft (38.9 m)
Longest span121 ft (36.8 m)
Deck width54 ft (16.6 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,196 (2023)
Projected traffic38,770 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
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 NH101 WB over Hooksett Road built?

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

What condition is NH101 WB over Hooksett Road 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 March 2023.

How much traffic does NH101 WB over Hooksett Road carry?

About 26,196 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NH101 WB over Hooksett Road?

The structure is 128 ft (38.9 m) long with a longest span of 121 ft (36.8 m) and a deck 54 ft wide.

Who owns NH101 WB over Hooksett Road?

It is owned by the State Highway Agency.