US Bridges

Barstow RD over LIRR Pt Wash Br

Fair

Nassau County, New York · 1.4 MI SW of Manhasset · Structure no. 000000002261190

Built
1935
90 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
45 ft
1 main span
Daily traffic
3,794
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Barstow RD over LIRR Pt Wash Br is a steel girder and floorbeam system carrying Barstow RD over LIRR Pt Wash Br in Nassau County, New York. It was built in 1935, so it is 90 years old, older 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 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 3,794 vehicles a day, roughly 2% of them trucks, projected to reach 4,694 by 2041. The structure is 45 ft (13.7 m) long and 73 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesBarstow RD
CrossesLIRR Pt Wash Br
Location1.4 MI SW of Manhasset
Coordinates40.7876, -73.72457
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating64.5 US tons
Inventory rating24.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width73 ft (22.4 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,794 (2020)
Projected traffic4,694 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Barstow RD over LIRR Pt Wash Br built?

It was built in 1935, making it 90 years old in 2025.

What condition is Barstow RD over LIRR Pt Wash Br 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 September 2024.

How much traffic does Barstow RD over LIRR Pt Wash Br carry?

About 3,794 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Barstow RD over LIRR Pt Wash Br?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 73 ft wide.

Who owns Barstow RD over LIRR Pt Wash Br?

It is owned by the Town or Township Highway Agency.