US Bridges

Highland Road over Stony Kill

Fair

Columbia County, New York · .6 Mi. N of Chatham · Structure no. 000000003222040

Built
1990
35 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
117
2021 count
Owner
County
County Highway Agency

About this bridge

Highland Road over Stony Kill is a prestressed concrete box beam or girders - multiple carrying Highland Road over Stony Kill in Columbia County, New York. It was built in 1990, so it is 35 years old, younger 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 117 vehicles a day, roughly 7% of them trucks, projected to reach 164 by 2041. The structure is 98 ft (29.9 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHighland Road
CrossesStony Kill
Location.6 Mi. N of Chatham
RouteCity Street 0
Coordinates42.37338, -73.59186
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be 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 rating93.3 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span96 ft (29.2 m)
Deck width27 ft (8.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2021)
Projected traffic164 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 SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Highland Road over Stony Kill built?

It was built in 1990, making it 35 years old in 2025.

What condition is Highland Road over Stony 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 Highland Road over Stony Kill carry?

About 117 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Highland Road over Stony Kill?

The structure is 98 ft (29.9 m) long with a longest span of 96 ft (29.2 m) and a deck 27 ft wide.

Who owns Highland Road over Stony Kill?

It is owned by the County Highway Agency.