US Bridges

RTE 987D over Kisco River

Fair

Westchester County, New York · 3.5 MI W JCT Smrp & SH117 · Structure no. 000000005500939

Built
2017
8 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
1 main span
Daily traffic
26,715
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 987D over Kisco River is a steel stringer/multi-beam or girder carrying RTE 987D over Kisco River in Westchester County, New York. It was built in 2017, so it is 8 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 26,715 vehicles a day, roughly 1% of them trucks, projected to reach 37,686 by 2041. The structure is 87 ft (26.5 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE 987D
CrossesKisco River
Location3.5 MI W JCT Smrp & SH117
CountyWestchester County
StateNew York
Coordinates41.20138, -73.74077
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length87 ft (26.5 m)
Longest span85 ft (25.9 m)
Deck width79 ft (24.2 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,715 (2021)
Projected traffic37,686 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987D over Kisco River built?

It was built in 2017, making it 8 years old in 2025.

What condition is RTE 987D over Kisco River 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 September 2024.

How much traffic does RTE 987D over Kisco River carry?

About 26,715 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is RTE 987D over Kisco River?

The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 79 ft wide.

Who owns RTE 987D over Kisco River?

It is owned by the State Highway Agency.