US Bridges

NH111 over Little River

Fair

Rockingham County, New Hampshire · 1.4 MI from JCT 101C · Structure no. 008200780007000

Built
1930
95 years old, rebuilt 1981
Condition
Fair
inspected May 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
6,155
2023 count
Owner
State
State Highway Agency

About this bridge

NH111 over Little River is a concrete frame carrying NH111 over Little River in Rockingham County, New Hampshire. It was built in 1930 and reconstructed in 1981, so it is 95 years old, older than the New Hampshire average of 56.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,155 vehicles a day, roughly 5% of them trucks, projected to reach 9,109 by 2043. The structure is 27 ft (8.2 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNH111
CrossesLittle River
Location1.4 MI from JCT 101C
RouteState Highway 111
Coordinates42.97761, -70.96905
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width39 ft (11.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,155 (2023)
Projected traffic9,109 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 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)
NavigationNo navigation control on waterway

Frequently asked questions

When was NH111 over Little River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1981.

What condition is NH111 over Little River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does NH111 over Little River carry?

About 6,155 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is NH111 over Little River?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 39 ft wide.

Who owns NH111 over Little River?

It is owned by the State Highway Agency.