US Bridges

RTE 987D over Saw Mill River Ex-Nycrr

Fair

Westchester County, New York · 1.9 MI N JCT Smrp & Ccp · Structure no. 000000005500581

Built
1928
97 years old, rebuilt 2001
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
266 ft
4 main spans
Daily traffic
30,516
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 987D over Saw Mill River Ex-Nycrr is a steel stringer/multi-beam or girder carrying RTE 987D over Saw Mill River Ex-Nycrr in Westchester County, New York. It was built in 1928 and reconstructed in 2001, so it is 97 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 30,516 vehicles a day, roughly 1% of them trucks, projected to reach 43,049 by 2041. The structure is 266 ft (81.1 m) long and 69 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 987D
CrossesSaw Mill River Ex-Nycrr
Location1.9 MI N JCT Smrp & Ccp
RouteCity Street 987D
Coordinates40.95754, -73.87177
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
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating56 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length266 ft (81.1 m)
Longest span66 ft (20.1 m)
Deck width69 ft (21 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,516 (2020)
Projected traffic43,049 by 2041
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$13 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987D over Saw Mill River Ex-Nycrr built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2001.

What condition is RTE 987D over Saw Mill River Ex-Nycrr 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 October 2023.

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

About 30,516 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is RTE 987D over Saw Mill River Ex-Nycrr?

The structure is 266 ft (81.1 m) long with a longest span of 66 ft (20.1 m) and a deck 69 ft wide.

Who owns RTE 987D over Saw Mill River Ex-Nycrr?

It is owned by the State Highway Agency.