US Bridges

West 181st Street over Ramp from Wash Br

Fair

New York County, New York · At Washington Heights · Structure no. 000000002246489

Built
1940
85 years old
Condition
Fair
inspected February 2024
Type
Frame
Concrete
Length
98 ft
1 main span
Daily traffic
45,759
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

West 181st Street over Ramp from Wash Br is a concrete frame carrying West 181st Street over Ramp from Wash Br in New York County, New York. It was built in 1940, so it is 85 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 45,759 vehicles a day, roughly 6% of them trucks, projected to reach 55,588 by 2041. The structure is 98 ft (29.9 m) long and 84 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWest 181st Street
CrossesRamp from Wash Br
LocationAt Washington Heights
RouteCity Street 0
Coordinates40.84803, -73.9306
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
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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.8 US tons
Inventory rating28.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length98 ft (29.9 m)
Longest span90 ft (27.4 m)
Deck width84 ft (25.6 m)
Roadway width66 ft (20.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,759 (2020)
Projected traffic55,588 by 2041
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$8.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was West 181st Street over Ramp from Wash Br built?

It was built in 1940, making it 85 years old in 2025.

What condition is West 181st Street over Ramp from 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 February 2024.

How much traffic does West 181st Street over Ramp from Wash Br carry?

About 45,759 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is West 181st Street over Ramp from Wash Br?

The structure is 98 ft (29.9 m) long with a longest span of 90 ft (27.4 m) and a deck 84 ft wide.

Who owns West 181st Street over Ramp from Wash Br?

It is owned by the City or Municipal Highway Agency.