US Bridges

RTE 987D over RTE I87 Saw Mill Rvr Pk

PoorClosed to traffic

Westchester County, New York · 1.3 MI SW of Elmsford · Structure no. 000000005513910

Built
1953
72 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
483 ft
7 main spans
Daily traffic
7,047
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE 987D over RTE I87 Saw Mill Rvr Pk is a steel stringer/multi-beam or girder carrying RTE 987D over RTE I87 Saw Mill Rvr Pk in Westchester County, New York. It was built in 1953, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 7,047 vehicles a day, roughly 15% of them trucks, projected to reach 11,933 by 2041. The structure is 483 ft (147.2 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 987D
CrossesRTE I87 Saw Mill Rvr Pk
Location1.3 MI SW of Elmsford
Coordinates41.04365, -73.83549
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length483 ft (147.2 m)
Longest span94 ft (28.7 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic7,047 (2020)
Projected traffic11,933 by 2041
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$11.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 987D over RTE I87 Saw Mill Rvr Pk built?

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

What condition is RTE 987D over RTE I87 Saw Mill Rvr Pk in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does RTE 987D over RTE I87 Saw Mill Rvr Pk carry?

About 7,047 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is RTE 987D over RTE I87 Saw Mill Rvr Pk?

The structure is 483 ft (147.2 m) long with a longest span of 94 ft (28.7 m) and a deck 29 ft wide.

Who owns RTE 987D over RTE I87 Saw Mill Rvr Pk?

It is owned by the State Toll Authority.