US Bridges

SE Ramp 987F over Catskill Aqueduct

Fair

Westchester County, New York · S of Int 287I & Sbsp · Structure no. 000000001070510

Built
1981
44 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
178 ft
4 main spans
Daily traffic
8,422
2016 count
Owner
State
State Highway Agency

About this bridge

SE Ramp 987F over Catskill Aqueduct is a prestressed concrete box beam or girders - multiple carrying SE Ramp 987F over Catskill Aqueduct in Westchester County, New York. It was built in 1981, so it is 44 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 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 8,422 vehicles a day, roughly 1% of them trucks, projected to reach 14,261 by 2041. The structure is 178 ft (54.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSE Ramp 987F
CrossesCatskill Aqueduct
LocationS of Int 287I & Sbsp
CountyWestchester County
StateNew York
Coordinates41.05118, -73.80919
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating34 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span44 ft (13.4 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,422 (2016)
Projected traffic14,261 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SE Ramp 987F over Catskill Aqueduct built?

It was built in 1981, making it 44 years old in 2025.

What condition is SE Ramp 987F 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 June 2024.

How much traffic does SE Ramp 987F over Catskill Aqueduct carry?

About 8,422 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is SE Ramp 987F over Catskill Aqueduct?

The structure is 178 ft (54.3 m) long with a longest span of 44 ft (13.4 m) and a deck 25 ft wide.

Who owns SE Ramp 987F over Catskill Aqueduct?

It is owned by the State Highway Agency.