US Bridges

RTE 987D over Old Saw Mill River Road

Fair

Westchester County, New York · 2.6 MI S JCT Rts Smrp<tsp · Structure no. 000000005500759

Built
1933
92 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete
Length
54 ft
1 main span
Daily traffic
44,403
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 987D over Old Saw Mill River Road is a concrete frame carrying RTE 987D over Old Saw Mill River Road in Westchester County, New York. It was built in 1933, so it is 92 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.

It carries about 44,403 vehicles a day, roughly 1% of them trucks, projected to reach 62,639 by 2041. The structure is 54 ft (16.5 m) long and 81 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesRTE 987D
CrossesOld Saw Mill River Road
Location2.6 MI S JCT Rts Smrp<tsp
RouteState Highway 987D
Coordinates41.08143, -73.82925
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
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 inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span52 ft (15.8 m)
Deck width81 ft (24.7 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,403 (2020)
Projected traffic62,639 by 2041
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5.6 mi (9 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$4.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 987D over Old Saw Mill River Road built?

It was built in 1933, making it 92 years old in 2025.

What condition is RTE 987D over Old Saw Mill River Road 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 Old Saw Mill River Road carry?

About 44,403 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is RTE 987D over Old Saw Mill River Road?

The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.8 m) and a deck 81 ft wide.

Who owns RTE 987D over Old Saw Mill River Road?

It is owned by the State Highway Agency.