US Bridges

I-495 over Amtrak/Long Islnd

Fair

New York County, New York · In West Manhattan · Structure no. 000000005522309

Built
1956
69 years old
Condition
Fair
inspected December 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
468 ft
3 main spans
Daily traffic
70,800
1994 count
Owner
Toll Authority
Local Toll Authority

About this bridge

I-495 over Amtrak/Long Islnd is a steel continuous girder and floorbeam system carrying I-495 over Amtrak/Long Islnd in New York County, New York. It was built in 1956, so it is 69 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 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 70,800 vehicles a day, roughly 9% of them trucks, projected to reach 99,120 by 2014. The structure is 468 ft (142.6 m) long and 56 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesI-495
CrossesAmtrak/Long Islnd
LocationIn West Manhattan
RouteInterstate 0
CountyNew York County
StateNew York
Coordinates40.75291, -73.99899
Functional classUrban Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating49.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length468 ft (142.6 m)
Longest span213 ft (64.9 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic70,800 (1994)
Projected traffic99,120 by 2014
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$20.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-495 over Amtrak/Long Islnd built?

It was built in 1956, making it 69 years old in 2025.

What condition is I-495 over Amtrak/Long Islnd 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 December 2024.

How much traffic does I-495 over Amtrak/Long Islnd carry?

About 70,800 vehicles per day (1994 count), of which roughly 9% are trucks.

How long is I-495 over Amtrak/Long Islnd?

The structure is 468 ft (142.6 m) long with a longest span of 213 ft (64.9 m) and a deck 56 ft wide.

Who owns I-495 over Amtrak/Long Islnd?

It is owned by the Local Toll Authority.