US Bridges

RTE I87 over Rondout Creek

Fair

Ulster County, New York · I87 over Roundout Creek · Structure no. 000000005515429

Built
1953
72 years old
Condition
Fair
inspected May 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
545 ft
4 main spans
Daily traffic
35,755
2018 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I87 over Rondout Creek is a steel continuous girder and floorbeam system carrying RTE I87 over Rondout Creek in Ulster County, New York. It was built in 1953, so it is 72 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 6 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 35,755 vehicles a day, roughly 18% of them trucks, projected to reach 60,547 by 2041. The structure is 545 ft (166.1 m) long and 113 ft wide.

CarriesRTE I87
CrossesRondout Creek
LocationI87 over Roundout Creek
RouteInterstate 87
Coordinates41.85203, -74.05931
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to 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 rating80 US tons
Inventory rating48 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length545 ft (166.1 m)
Longest span153 ft (46.6 m)
Deck width113 ft (34.4 m)
Roadway width110 ft (33.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,755 (2018)
Projected traffic60,547 by 2041
Trucks18%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$42.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I87 over Rondout Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is RTE I87 over Rondout Creek 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 May 2024.

How much traffic does RTE I87 over Rondout Creek carry?

About 35,755 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is RTE I87 over Rondout Creek?

The structure is 545 ft (166.1 m) long with a longest span of 153 ft (46.6 m) and a deck 113 ft wide.

Who owns RTE I87 over Rondout Creek?

It is owned by the State Toll Authority.