US Bridges

West 56th Street over AMTRAK W Side Con

Fair

New York County, New York · At West Manhattan · Structure no. 000000002245370

Built
1935
90 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
73 ft
2 main spans
Daily traffic
6,236
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

West 56th Street over AMTRAK W Side Con is a steel continuous stringer/multi-beam or girder carrying West 56th Street over AMTRAK W Side Con in New York 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 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 6,236 vehicles a day, roughly 4% of them trucks, projected to reach 7,575 by 2041. The structure is 73 ft (22.3 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWest 56th Street
CrossesAMTRAK W Side Con
LocationAt West Manhattan
RouteCity Street 0
Coordinates40.76924, -73.99094
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span36 ft (10.9 m)
Deck width60 ft (18.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,236 (2018)
Projected traffic7,575 by 2041
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 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$6.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was West 56th Street over AMTRAK W Side Con built?

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

What condition is West 56th Street over AMTRAK W Side Con 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 May 2024.

How much traffic does West 56th Street over AMTRAK W Side Con carry?

About 6,236 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is West 56th Street over AMTRAK W Side Con?

The structure is 73 ft (22.3 m) long with a longest span of 36 ft (10.9 m) and a deck 60 ft wide.

Who owns West 56th Street over AMTRAK W Side Con?

It is owned by the City or Municipal Highway Agency.