US Bridges

NH101 WB over NH108

Good

Rockingham County, New Hampshire · Stratham · Structure no. 024500650007000

Built
2000
25 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
230 ft
1 main span
Daily traffic
21,509
2023 count
Owner
State
State Highway Agency

About this bridge

NH101 WB over NH108 is a steel stringer/multi-beam or girder carrying NH101 WB over NH108 in Rockingham County, New Hampshire. It was built in 2000, so it is 25 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 21,509 vehicles a day, roughly 7% of them trucks, projected to reach 31,833 by 2043. The structure is 230 ft (70.1 m) long and 45 ft wide.

CarriesNH101 WB
CrossesNH108
LocationStratham
RouteState Highway 101
Coordinates42.99257, -70.92663
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating86 US tons
Inventory rating51.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length230 ft (70.1 m)
Longest span223 ft (68 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,509 (2023)
Projected traffic31,833 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 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)
NavigationNo navigation control on waterway

Frequently asked questions

When was NH101 WB over NH108 built?

It was built in 2000, making it 25 years old in 2025.

What condition is NH101 WB over NH108 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 July 2024.

How much traffic does NH101 WB over NH108 carry?

About 21,509 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NH101 WB over NH108?

The structure is 230 ft (70.1 m) long with a longest span of 223 ft (68 m) and a deck 45 ft wide.

Who owns NH101 WB over NH108?

It is owned by the State Highway Agency.