US Bridges

RTE 20 over Wyomanock Creek

Fair

Columbia County, New York · .8 MI N of New Lebanon · Structure no. 000000001016050

Built
1946
79 years old, rebuilt 2013
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
5,102
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 20 over Wyomanock Creek is a steel stringer/multi-beam or girder carrying RTE 20 over Wyomanock Creek in Columbia County, New York. It was built in 1946 and reconstructed in 2013, so it is 79 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 5,102 vehicles a day, roughly 7% of them trucks, projected to reach 5,150 by 2041. The structure is 60 ft (18.3 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 20
CrossesWyomanock Creek
Location.8 MI N of New Lebanon
RouteU.S. Route 20
Coordinates42.47171, -73.38391
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.6 m)
Deck width56 ft (17.1 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,102 (2021)
Projected traffic5,150 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$3.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 20 over Wyomanock Creek built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 2013.

What condition is RTE 20 over Wyomanock 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 April 2023.

How much traffic does RTE 20 over Wyomanock Creek carry?

About 5,102 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is RTE 20 over Wyomanock Creek?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.6 m) and a deck 56 ft wide.

Who owns RTE 20 over Wyomanock Creek?

It is owned by the State Highway Agency.