US Bridges

RTE I87 over Seven Lakes Drive Stony

Good

Rockland County, New York · 4.6 MI S JCT I87 & CR106 · Structure no. 000000005514182

Built
2013
12 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
1 main span
Daily traffic
36,690
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I87 over Seven Lakes Drive Stony is a steel stringer/multi-beam or girder carrying RTE I87 over Seven Lakes Drive Stony in Rockland County, New York. It was built in 2013, so it is 12 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,690 vehicles a day, roughly 16% of them trucks, projected to reach 62,131 by 2041. The structure is 186 ft (56.7 m) long and 74 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

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CarriesRTE I87
CrossesSeven Lakes Drive Stony
Location4.6 MI S JCT I87 & CR106
RouteInterstate 87
CountyRockland County
StateNew York
Coordinates41.16362, -74.18413
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length186 ft (56.7 m)
Longest span179 ft (54.6 m)
Deck width74 ft (22.6 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,690 (2019)
Projected traffic62,131 by 2041
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed15.5 mi (25 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$14.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I87 over Seven Lakes Drive Stony built?

It was built in 2013, making it 12 years old in 2025.

What condition is RTE I87 over Seven Lakes Drive Stony in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does RTE I87 over Seven Lakes Drive Stony carry?

About 36,690 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is RTE I87 over Seven Lakes Drive Stony?

The structure is 186 ft (56.7 m) long with a longest span of 179 ft (54.6 m) and a deck 74 ft wide.

Who owns RTE I87 over Seven Lakes Drive Stony?

It is owned by the State Toll Authority.