US Bridges

Hardenburg Road over Swarte Kill

Fair

Ulster County, New York · 0.4MI E of CR 16 · Structure no. 000000002264260

Built
1999
26 years old
Condition
Fair
inspected November 2023
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
326
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hardenburg Road over Swarte Kill is a concrete frame carrying Hardenburg Road over Swarte Kill in Ulster 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 326 vehicles a day, roughly 7% of them trucks, projected to reach 456 by 2037. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHardenburg Road
CrossesSwarte Kill
Location0.4MI E of CR 16
Coordinates41.83239, -74.03179
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic326 (2017)
Projected traffic456 by 2037
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$873,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hardenburg Road over Swarte Kill built?

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

What condition is Hardenburg Road over Swarte 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 November 2023.

How much traffic does Hardenburg Road over Swarte Kill carry?

About 326 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Hardenburg Road over Swarte Kill?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Hardenburg Road over Swarte Kill?

It is owned by the Town or Township Highway Agency.