US Bridges

RTE 23A over Kaaterskill Creek

Poor

Greene County, New York · JCT SH23A/KAATERSKILL Crk · Structure no. 000000001018020

Built
1925
100 years old, rebuilt 1985
Condition
Poor
inspected April 2023
Type
Arch - Deck
Masonry
Length
91 ft
1 main span
Daily traffic
4,644
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 23A over Kaaterskill Creek is a masonry arch - deck carrying RTE 23A over Kaaterskill Creek in Greene County, New York. It was built in 1925 and reconstructed in 1985, so it is 100 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 4,644 vehicles a day, roughly 7% of them trucks, projected to reach 4,844 by 2041. The structure is 91 ft (27.7 m) long and 38 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRTE 23A
CrossesKaaterskill Creek
LocationJCT SH23A/KAATERSKILL Crk
RouteState Highway 23A
Coordinates42.19997, -73.92773
Functional classRural Major Collector

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
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating11.1 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadOther
Structure length91 ft (27.7 m)
Longest span58 ft (17.6 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,644 (2016)
Projected traffic4,844 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$3.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 23A over Kaaterskill Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1985.

What condition is RTE 23A over Kaaterskill Creek 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 April 2023.

How much traffic does RTE 23A over Kaaterskill Creek carry?

About 4,644 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is RTE 23A over Kaaterskill Creek?

The structure is 91 ft (27.7 m) long with a longest span of 58 ft (17.6 m) and a deck 38 ft wide.

Who owns RTE 23A over Kaaterskill Creek?

It is owned by the State Highway Agency.