US Bridges

RTE 23 over Tributary to Taghkanic C

Fair

Columbia County, New York · 3.5 MI E JCT SH 23 & Tsp · Structure no. 000000001017870

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
4,803
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 23 over Tributary to Taghkanic C is a concrete continuous culvert carrying RTE 23 over Tributary to Taghkanic C in Columbia County, New York. It was built in 1959, so it is 66 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 5 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 4,803 vehicles a day, roughly 10% of them trucks, projected to reach 5,334 by 2041. The structure is 28 ft (8.5 m) long and 42 ft wide. If it were closed, the detour would be 61.5 mi (99 km).

Location

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CarriesRTE 23
CrossesTributary to Taghkanic C
Location3.5 MI E JCT SH 23 & Tsp
RouteState Highway 23
CountyColumbia County
StateNew York
Coordinates42.17514, -73.58142
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,803 (2020)
Projected traffic5,334 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed61.5 mi (99 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 23 over Tributary to Taghkanic C built?

It was built in 1959, making it 66 years old in 2025.

What condition is RTE 23 over Tributary to Taghkanic C 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 March 2023.

How much traffic does RTE 23 over Tributary to Taghkanic C carry?

About 4,803 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is RTE 23 over Tributary to Taghkanic C?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m) and a deck 42 ft wide.

Who owns RTE 23 over Tributary to Taghkanic C?

It is owned by the State Highway Agency.