US Bridges

RTE 23B over Claverack Creek

Fair

Columbia County, New York · 1.6 MI NW JCT SH9H &SH23B · Structure no. 000000001018050

Built
1954
71 years old, rebuilt 2013
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
304 ft
6 main spans
Daily traffic
5,618
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 23B over Claverack Creek is a steel stringer/multi-beam or girder carrying RTE 23B over Claverack Creek in Columbia County, New York. It was built in 1954 and reconstructed in 2013, so it is 71 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 5,618 vehicles a day, roughly 7% of them trucks, projected to reach 6,824 by 2041. The structure is 304 ft (92.7 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesRTE 23B
CrossesClaverack Creek
Location1.6 MI NW JCT SH9H &SH23B
RouteState Highway 23B
CountyColumbia County
StateNew York
Coordinates42.23716, -73.75592
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length304 ft (92.7 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,618 (2018)
Projected traffic6,824 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 statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$8.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 23B over Claverack Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2013.

What condition is RTE 23B over Claverack 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 August 2023.

How much traffic does RTE 23B over Claverack Creek carry?

About 5,618 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is RTE 23B over Claverack Creek?

The structure is 304 ft (92.7 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns RTE 23B over Claverack Creek?

It is owned by the State Highway Agency.