US Bridges

RTE 378 over Wynants Kill

Fair

Rensselaer County, New York · Burden Ave RT378 S.Troy · Structure no. 000000001000160

Built
1932
93 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
42 ft
1 main span
Daily traffic
29,265
2010 count
Owner
State
State Highway Agency

About this bridge

RTE 378 over Wynants Kill is a concrete tee beam carrying RTE 378 over Wynants Kill in Rensselaer County, New York. It was built in 1932, so it is 93 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 29,265 vehicles a day, roughly 5% of them trucks, projected to reach 33,912 by 2041. The structure is 42 ft (12.8 m) long and 117 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE 378
CrossesWynants Kill
LocationBurden Ave RT378 S.Troy
RouteCity Street 378
CountyRensselaer County
StateNew York
Coordinates42.70424, -73.69646
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.1 m)
Deck width117 ft (35.7 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,265 (2010)
Projected traffic33,912 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 378 over Wynants Kill built?

It was built in 1932, making it 93 years old in 2025.

What condition is RTE 378 over Wynants Kill 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 378 over Wynants Kill carry?

About 29,265 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is RTE 378 over Wynants Kill?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.1 m) and a deck 117 ft wide.

Who owns RTE 378 over Wynants Kill?

It is owned by the State Highway Agency.