US Bridges

NH101 WB over Little River

Good

Rockingham County, New Hampshire · .25 MI W of Exeter Tl · Structure no. 002901370010900

Built
1997
28 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
166 ft
1 main span
Daily traffic
21,085
2023 count
Owner
State
State Highway Agency

About this bridge

NH101 WB over Little River is a steel stringer/multi-beam or girder carrying NH101 WB over Little River in Rockingham County, New Hampshire. It was built in 1997, so it is 28 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 21,085 vehicles a day, roughly 3% of them trucks, projected to reach 31,205 by 2043. The structure is 166 ft (50.6 m) long and 45 ft wide.

CarriesNH101 WB
CrossesLittle River
Location.25 MI W of Exeter Tl
RouteState Highway 101
Coordinates43.01153, -71.01071
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.7 US tons
Inventory rating58 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length166 ft (50.6 m)
Longest span150 ft (45.6 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,085 (2023)
Projected traffic31,205 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 Little River built?

It was built in 1997, making it 28 years old in 2025.

What condition is NH101 WB over Little River 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 Little River carry?

About 21,085 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is NH101 WB over Little River?

The structure is 166 ft (50.6 m) long with a longest span of 150 ft (45.6 m) and a deck 45 ft wide.

Who owns NH101 WB over Little River?

It is owned by the State Highway Agency.