US Bridges

RTE I684 over RTE 987D

Fair

Westchester County, New York · JCT I684 & Smrp · Structure no. 000000001053142

Built
1966
59 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
253 ft
3 main spans
Daily traffic
29,529
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I684 over RTE 987D is a steel stringer/multi-beam or girder carrying RTE I684 over RTE 987D in Westchester County, New York. It was built in 1966, so it is 59 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 29,529 vehicles a day, roughly 11% of them trucks, projected to reach 50,003 by 2041. The structure is 253 ft (77.1 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I684
CrossesRTE 987D
LocationJCT I684 & Smrp
RouteInterstate 684
CountyWestchester County
StateNew York
Coordinates41.25342, -73.67625
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating86 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length253 ft (77.1 m)
Longest span125 ft (38.1 m)
Deck width47 ft (14.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,529 (2020)
Projected traffic50,003 by 2041
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$9.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I684 over RTE 987D built?

It was built in 1966, making it 59 years old in 2025.

What condition is RTE I684 over RTE 987D 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 November 2024.

How much traffic does RTE I684 over RTE 987D carry?

About 29,529 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is RTE I684 over RTE 987D?

The structure is 253 ft (77.1 m) long with a longest span of 125 ft (38.1 m) and a deck 47 ft wide.

Who owns RTE I684 over RTE 987D?

It is owned by the State Highway Agency.