US Bridges

Winnicut Road over Winnicut River

Fair

Rockingham County, New Hampshire · .31 Mi. NW N. Hampton Tl · Structure no. 024501220009600

Built
1931
94 years old
Condition
Fair
inspected July 2024
Type
Frame
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
1,870
2023 count
Owner
State
State Highway Agency

About this bridge

Winnicut Road over Winnicut River is a concrete continuous frame carrying Winnicut Road over Winnicut River in Rockingham County, New Hampshire. It was built in 1931, so it is 94 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 5 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 1,870 vehicles a day, roughly 4% of them trucks, projected to reach 2,767 by 2043. The structure is 67 ft (20.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWinnicut Road
CrossesWinnicut River
Location.31 Mi. NW N. Hampton Tl
RouteState Highway 0
CountyRockingham County
StateNew Hampshire
Coordinates43.00936, -70.87107
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.8 US tons
Inventory rating33.3 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length67 ft (20.4 m)
Longest span21 ft (6.4 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,870 (2023)
Projected traffic2,767 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Winnicut Road over Winnicut River built?

It was built in 1931, making it 94 years old in 2025.

What condition is Winnicut Road over Winnicut 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 July 2024.

How much traffic does Winnicut Road over Winnicut River carry?

About 1,870 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Winnicut Road over Winnicut River?

The structure is 67 ft (20.4 m) long with a longest span of 21 ft (6.4 m) and a deck 30 ft wide.

Who owns Winnicut Road over Winnicut River?

It is owned by the State Highway Agency.