US Bridges

CR 23B over 87IX RTE I87

Fair

Greene County, New York · At Int 21 Nys Thruway · Structure no. 000000005513220

Built
1952
73 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
233 ft
4 main spans
Daily traffic
1,944
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

CR 23B over 87IX RTE I87 is a steel stringer/multi-beam or girder carrying CR 23B over 87IX RTE I87 in Greene County, New York. It was built in 1952, so it is 73 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 1,944 vehicles a day, roughly 10% of them trucks, projected to reach 3,080 by 2041. The structure is 233 ft (71 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCR 23B
Crosses87IX RTE I87
LocationAt Int 21 Nys Thruway
RouteCounty Highway 0
CountyGreene County
StateNew York
Coordinates42.24766, -73.88731
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length233 ft (71 m)
Longest span67 ft (20.4 m)
Deck width43 ft (13.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,944 (2019)
Projected traffic3,080 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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$4.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 23B over 87IX RTE I87 built?

It was built in 1952, making it 73 years old in 2025.

What condition is CR 23B over 87IX RTE I87 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 April 2024.

How much traffic does CR 23B over 87IX RTE I87 carry?

About 1,944 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is CR 23B over 87IX RTE I87?

The structure is 233 ft (71 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.

Who owns CR 23B over 87IX RTE I87?

It is owned by the State Toll Authority.