US Bridges

RTE 987D over Saw Mill River

Fair

Westchester County, New York · 0.3 MI E JCT Rts Smrp&tsp · Structure no. 000000005500829

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
49 ft
2 main spans
Daily traffic
48,167
2007 count
Owner
State
State Highway Agency

About this bridge

RTE 987D over Saw Mill River is a concrete continuous culvert carrying RTE 987D over Saw Mill River in Westchester County, New York. It was built in 1970, so it is 55 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 48,167 vehicles a day, roughly 1% of them trucks, projected to reach 67,949 by 2041. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 987D
CrossesSaw Mill River
Location0.3 MI E JCT Rts Smrp&tsp
Coordinates41.11199, -73.79671
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,167 (2007)
Projected traffic67,949 by 2041
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987D over Saw Mill River built?

It was built in 1970, making it 55 years old in 2025.

What condition is RTE 987D 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 September 2024.

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

About 48,167 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is RTE 987D over Saw Mill River?

The structure is 49 ft (14.9 m) long with a longest span of 22 ft (6.7 m).

Who owns RTE 987D over Saw Mill River?

It is owned by the State Highway Agency.