US Bridges

RTE 987E over Stony Brook

Fair

Rockland County, New York · 1.8 MI NE of Sloatsburg · Structure no. 000000005521390

Built
1961
64 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
1,068
2014 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

RTE 987E over Stony Brook is a steel stringer/multi-beam or girder carrying RTE 987E over Stony Brook in Rockland County, New York. It was built in 1961, so it is 64 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 1,068 vehicles a day, roughly 2% of them trucks, projected to reach 1,297 by 2041. The structure is 50 ft (15.2 m) long and 45 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesRTE 987E
CrossesStony Brook
Location1.8 MI NE of Sloatsburg
CountyRockland County
StateNew York
Coordinates41.17501, -74.16702
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span44 ft (13.4 m)
Deck width45 ft (13.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,068 (2014)
Projected traffic1,297 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 987E over Stony Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is RTE 987E over Stony Brook 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 June 2023.

How much traffic does RTE 987E over Stony Brook carry?

About 1,068 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is RTE 987E over Stony Brook?

The structure is 50 ft (15.2 m) long with a longest span of 44 ft (13.4 m) and a deck 45 ft wide.

Who owns RTE 987E over Stony Brook?

It is owned by the State Park, Forest, or Reservation Agency.