US Bridges

150th Street over LIRR Port Wash Br

Good

Queens County, New York · In Flushing · Structure no. 000000002247100

Built
1914
111 years old, rebuilt 1992
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
85 ft
2 main spans
Daily traffic
2,733
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

150th Street over LIRR Port Wash Br is a steel continuous stringer/multi-beam or girder carrying 150th Street over LIRR Port Wash Br in Queens County, New York. It was built in 1914 and reconstructed in 1992, so it is 111 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,733 vehicles a day, roughly 1% of them trucks, projected to reach 3,320 by 2041. The structure is 85 ft (25.9 m) long and 65 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Carries150th Street
CrossesLIRR Port Wash Br
LocationIn Flushing
RouteCity Street 0
Coordinates40.76267, -73.81395
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating55 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length85 ft (25.9 m)
Longest span41 ft (12.4 m)
Deck width65 ft (19.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,733 (2018)
Projected traffic3,320 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 150th Street over LIRR Port Wash Br built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1992.

What condition is 150th Street over LIRR Port Wash Br 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 September 2023.

How much traffic does 150th Street over LIRR Port Wash Br carry?

About 2,733 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is 150th Street over LIRR Port Wash Br?

The structure is 85 ft (25.9 m) long with a longest span of 41 ft (12.4 m) and a deck 65 ft wide.

Who owns 150th Street over LIRR Port Wash Br?

It is owned by the City or Municipal Highway Agency.