US Bridges

Hartigan Road over Stony Kill

Fair

Columbia County, New York · 2.3 MI SW of E Chatham · Structure no. 000000003222010

Built
1999
26 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
126 ft
1 main span
Daily traffic
397
2020 count
Owner
County
County Highway Agency

About this bridge

Hartigan Road over Stony Kill is a steel stringer/multi-beam or girder carrying Hartigan Road over Stony Kill in Columbia County, New York. It was built in 1999, so it is 26 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 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 397 vehicles a day, roughly 7% of them trucks, projected to reach 556 by 2040. The structure is 126 ft (38.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHartigan Road
CrossesStony Kill
Location2.3 MI SW of E Chatham
CountyColumbia County
StateNew York
Coordinates42.39128, -73.5604
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length126 ft (38.4 m)
Longest span121 ft (36.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic397 (2020)
Projected traffic556 by 2040
Trucks7%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$3.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hartigan Road over Stony Kill built?

It was built in 1999, making it 26 years old in 2025.

What condition is Hartigan 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 Hartigan Road over Stony Kill carry?

About 397 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Hartigan Road over Stony Kill?

The structure is 126 ft (38.4 m) long with a longest span of 121 ft (36.8 m) and a deck 26 ft wide.

Who owns Hartigan Road over Stony Kill?

It is owned by the County Highway Agency.