US Bridges

RTE 987D over Stone Hill River

Fair

Westchester County, New York · 0.1 MI S JCT Rts SMRP+684 · Structure no. 000000005501009

Built
1953
72 years old, rebuilt 1993
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
28,329
2009 count
Owner
State
State Highway Agency

About this bridge

RTE 987D over Stone Hill River is a steel stringer/multi-beam or girder carrying RTE 987D over Stone Hill River in Westchester County, New York. It was built in 1953 and reconstructed in 1993, so it is 72 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 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 28,329 vehicles a day, roughly 2% of them trucks, projected to reach 39,963 by 2041. The structure is 62 ft (18.9 m) long and 99 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 987D
CrossesStone Hill River
Location0.1 MI S JCT Rts SMRP+684
Coordinates41.25166, -73.6765
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating103 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length62 ft (18.9 m)
Longest span60 ft (18.2 m)
Deck width99 ft (30.1 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,329 (2009)
Projected traffic39,963 by 2041
Trucks2%
Lanes on structure6
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$7.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987D over Stone Hill River built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1993.

What condition is RTE 987D over Stone Hill 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 April 2024.

How much traffic does RTE 987D over Stone Hill River carry?

About 28,329 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is RTE 987D over Stone Hill River?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.2 m) and a deck 99 ft wide.

Who owns RTE 987D over Stone Hill River?

It is owned by the State Highway Agency.