US Bridges

RTE 987 over Saw Mill River

FairPosted for load

Westchester County, New York · At Hastings on Hudson · Structure no. 000000005500640

Built
1927
98 years old
Condition
Fair
inspected May 2024
Type
Frame
Concrete
Length
37 ft
1 main span
Daily traffic
5,979
2015 count
Owner
State
State Highway Agency

About this bridge

RTE 987 over Saw Mill River is a concrete frame carrying RTE 987 over Saw Mill River in Westchester County, New York. It was built in 1927, so it is 98 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 5,979 vehicles a day, roughly 4% of them trucks, projected to reach 7,263 by 2041. The structure is 37 ft (11.3 m) long and 45 ft wide.

CarriesRTE 987
CrossesSaw Mill River
LocationAt Hastings on Hudson
Coordinates40.98107, -73.86779
Functional classUrban Minor Arterial

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span32 ft (9.7 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,979 (2015)
Projected traffic7,263 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987 over Saw Mill River built?

It was built in 1927, making it 98 years old in 2025.

What condition is RTE 987 over Saw Mill 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 May 2024.

How much traffic does RTE 987 over Saw Mill River carry?

About 5,979 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is RTE 987 over Saw Mill River?

The structure is 37 ft (11.3 m) long with a longest span of 32 ft (9.7 m) and a deck 45 ft wide.

Who owns RTE 987 over Saw Mill River?

It is owned by the State Highway Agency.