US Bridges

Beach Lane over Quantuck Canal

Fair

Suffolk County, New York · Beach Lane/Quantuck Canal · Structure no. 000000003300630

Built
1996
29 years old
Condition
Fair
inspected April 2024
Type
Movable - Bascule
Steel
Length
165 ft
1 main span
Daily traffic
610
2018 count
Owner
County
County Highway Agency

About this bridge

Beach Lane over Quantuck Canal is a steel movable - bascule carrying Beach Lane over Quantuck Canal in Suffolk County, New York. It was built in 1996, so it is 29 years old, younger than the New York average of 53 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 610 vehicles a day, roughly 9% of them trucks, projected to reach 754 by 2041. The structure is 165 ft (50.3 m) long and 42 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesBeach Lane
CrossesQuantuck Canal
LocationBeach Lane/Quantuck Canal
CountySuffolk County
StateNew York
Coordinates40.80069, -72.62794
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating46 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span57 ft (17.3 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2018)
Projected traffic754 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$14.2 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Beach Lane over Quantuck Canal built?

It was built in 1996, making it 29 years old in 2025.

What condition is Beach Lane over Quantuck Canal 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 April 2024.

How much traffic does Beach Lane over Quantuck Canal carry?

About 610 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Beach Lane over Quantuck Canal?

The structure is 165 ft (50.3 m) long with a longest span of 57 ft (17.3 m) and a deck 42 ft wide.

Who owns Beach Lane over Quantuck Canal?

It is owned by the County Highway Agency.