US Bridges

Thais RD over Wynants Kill

Poor

Rensselaer County, New York · 1.1 Mi.E.Of West Sand Lk. · Structure no. 000000002201980

Built
1938
87 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
1,032
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Thais RD over Wynants Kill is a steel stringer/multi-beam or girder carrying Thais RD over Wynants Kill in Rensselaer County, New York. It was built in 1938, so it is 87 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 1,032 vehicles a day, roughly 5% of them trucks, projected to reach 1,445 by 2037. The structure is 27 ft (8.2 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesThais RD
CrossesWynants Kill
Location1.1 Mi.E.Of West Sand Lk.
Coordinates42.63755, -73.57885
Functional classUrban Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating64 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,032 (2017)
Projected traffic1,445 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$414,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thais RD over Wynants Kill built?

It was built in 1938, making it 87 years old in 2025.

What condition is Thais RD over Wynants Kill 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 May 2024.

How much traffic does Thais RD over Wynants Kill carry?

About 1,032 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Thais RD over Wynants Kill?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 22 ft wide.

Who owns Thais RD over Wynants Kill?

It is owned by the Town or Township Highway Agency.