US Bridges

RTE 987F over Catskill Aqueduct

Fair

Westchester County, New York · 0.4MI N Int 287I & Sbsp · Structure no. 000000001070461

Built
1981
44 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
38,693
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 987F over Catskill Aqueduct is a prestressed concrete box beam or girders - multiple carrying RTE 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 38,693 vehicles a day, roughly 1% of them trucks, projected to reach 54,583 by 2041. The structure is 87 ft (26.5 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRTE 987F
CrossesCatskill Aqueduct
Location0.4MI N Int 287I & Sbsp
CountyWestchester County
StateNew York
Coordinates41.05924, -73.80904
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span83 ft (25.2 m)
Deck width55 ft (16.7 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,693 (2021)
Projected traffic54,583 by 2041
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$3.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987F over Catskill Aqueduct built?

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

What condition is RTE 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 May 2024.

How much traffic does RTE 987F over Catskill Aqueduct carry?

About 38,693 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is RTE 987F over Catskill Aqueduct?

The structure is 87 ft (26.5 m) long with a longest span of 83 ft (25.2 m) and a deck 55 ft wide.

Who owns RTE 987F over Catskill Aqueduct?

It is owned by the State Highway Agency.