US Bridges

RTE 4 over Wynants Kill

Fair

Rensselaer County, New York · Vandenburgh Ave Troy So · Structure no. 000000002000930

Built
1934
91 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
13,586
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

RTE 4 over Wynants Kill is a concrete culvert carrying RTE 4 over Wynants Kill in Rensselaer County, New York. It was built in 1934, so it is 91 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 13,586 vehicles a day, roughly 4% of them trucks, projected to reach 13,649 by 2041. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 4
CrossesWynants Kill
LocationVandenburgh Ave Troy So
RouteU.S. Route 4
Coordinates42.70381, -73.68862
Functional classUrban Other Principal 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.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.7 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span34 ft (10.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,586 (2009)
Projected traffic13,649 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$632,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 4 over Wynants Kill built?

It was built in 1934, making it 91 years old in 2025.

What condition is RTE 4 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 May 2024.

How much traffic does RTE 4 over Wynants Kill carry?

About 13,586 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is RTE 4 over Wynants Kill?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.3 m).

Who owns RTE 4 over Wynants Kill?

It is owned by the City or Municipal Highway Agency.