US Bridges

West 51st Street over AMTRAK W.Side Con

Fair

New York County, New York · In Manhattan · Structure no. 000000002245160

Built
1934
91 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
71 ft
2 main spans
Daily traffic
4,195
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

West 51st Street over AMTRAK W.Side Con is a steel continuous stringer/multi-beam or girder carrying West 51st Street over AMTRAK W.Side Con in New York County, New York. It was built in 1934, so it is 91 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 4,195 vehicles a day, roughly 6% of them trucks, projected to reach 8,231 by 2041. The structure is 71 ft (21.6 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWest 51st Street
CrossesAMTRAK W.Side Con
LocationIn Manhattan
RouteCity Street 0
Coordinates40.76562, -73.99206
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating93 US tons
Inventory rating55 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span34 ft (10.3 m)
Deck width60 ft (18.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,195 (2018)
Projected traffic8,231 by 2041
Trucks6%
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$7.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was West 51st Street over AMTRAK W.Side Con built?

It was built in 1934, making it 91 years old in 2025.

What condition is West 51st 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 April 2024.

How much traffic does West 51st Street over AMTRAK W.Side Con carry?

About 4,195 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is West 51st Street over AMTRAK W.Side Con?

The structure is 71 ft (21.6 m) long with a longest span of 34 ft (10.3 m) and a deck 60 ft wide.

Who owns West 51st Street over AMTRAK W.Side Con?

It is owned by the City or Municipal Highway Agency.