US Bridges

Percy Hill Road over Stony Kill

Fair

Columbia County, New York · 2.0 MI SW of E Chatham · Structure no. 000000003222030

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Percy Hill Road over Stony Kill is a prestressed concrete box beam or girders - multiple carrying Percy Hill Road over Stony Kill in Columbia County, New York. It was built in 1961, so it is 64 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 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 130 vehicles a day, roughly 7% of them trucks, projected to reach 182 by 2040. The structure is 74 ft (22.6 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesPercy Hill Road
CrossesStony Kill
Location2.0 MI SW of E Chatham
CountyColumbia County
StateNew York
Coordinates42.38967, -73.55107
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length74 ft (22.6 m)
Longest span73 ft (22.2 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic182 by 2040
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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Percy Hill Road over Stony Kill built?

It was built in 1961, making it 64 years old in 2025.

What condition is Percy Hill 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 July 2023.

How much traffic does Percy Hill Road over Stony Kill carry?

About 130 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Percy Hill Road over Stony Kill?

The structure is 74 ft (22.6 m) long with a longest span of 73 ft (22.2 m) and a deck 27 ft wide.

Who owns Percy Hill Road over Stony Kill?

It is owned by the County Highway Agency.