US Bridges

RTE I287 over Catskill Aqueduct

Fair

Westchester County, New York · 0.6 MI E JCT Rts I287+9A · Structure no. 000000001044619

Built
2004
21 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
3 main spans
Daily traffic
96,758
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I287 over Catskill Aqueduct is a prestressed concrete stringer/multi-beam or girder carrying RTE I287 over Catskill Aqueduct in Westchester County, New York. It was built in 2004, so it is 21 years old, younger 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 96,758 vehicles a day, roughly 18% of them trucks, projected to reach 163,849 by 2041. The structure is 182 ft (55.5 m) long and 139 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I287
CrossesCatskill Aqueduct
Location0.6 MI E JCT Rts I287+9A
RouteInterstate 287
Coordinates41.05078, -73.8081
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.6 US tons
Inventory rating46.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length182 ft (55.5 m)
Longest span67 ft (20.4 m)
Deck width139 ft (42.4 m)
Roadway width129 ft (39.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,758 (2021)
Projected traffic163,849 by 2041
Trucks18%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$19.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I287 over Catskill Aqueduct built?

It was built in 2004, making it 21 years old in 2025.

What condition is RTE I287 over Catskill Aqueduct 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 August 2024.

How much traffic does RTE I287 over Catskill Aqueduct carry?

About 96,758 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is RTE I287 over Catskill Aqueduct?

The structure is 182 ft (55.5 m) long with a longest span of 67 ft (20.4 m) and a deck 139 ft wide.

Who owns RTE I287 over Catskill Aqueduct?

It is owned by the State Highway Agency.