US Bridges

RTE I87 over Ramapo River

Poor

Rockland County, New York · 0.7 MI W JCT Rts I87<202 · Structure no. 000000005514139

Built
1955
70 years old, rebuilt 1995
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
476 ft
4 main spans
Daily traffic
73,380
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I87 over Ramapo River is a steel stringer/multi-beam or girder carrying RTE I87 over Ramapo River in Rockland County, New York. It was built in 1955 and reconstructed in 1995, so it is 70 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 73,380 vehicles a day, roughly 16% of them trucks, projected to reach 124,261 by 2041. The structure is 476 ft (145.1 m) long and 130 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I87
CrossesRamapo River
Location0.7 MI W JCT Rts I87<202
RouteInterstate 87
Coordinates41.11922, -74.16054
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length476 ft (145.1 m)
Longest span117 ft (35.7 m)
Deck width130 ft (39.6 m)
Roadway width124 ft (37.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,380 (2019)
Projected traffic124,261 by 2041
Trucks16%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$45.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I87 over Ramapo River built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1995.

What condition is RTE I87 over Ramapo River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does RTE I87 over Ramapo River carry?

About 73,380 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is RTE I87 over Ramapo River?

The structure is 476 ft (145.1 m) long with a longest span of 117 ft (35.7 m) and a deck 130 ft wide.

Who owns RTE I87 over Ramapo River?

It is owned by the State Toll Authority.