US Bridges

County Road 9 over Dwaar Kill

Fair

Ulster County, New York · 3.0 MI North of CR 52 · Structure no. 000000003347210

Built
2015
10 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
3,061
2019 count
Owner
County
County Highway Agency

About this bridge

County Road 9 over Dwaar Kill is a prestressed concrete box beam or girders - multiple carrying County Road 9 over Dwaar Kill in Ulster County, New York. It was built in 2015, so it is 10 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 3,061 vehicles a day, roughly 7% of them trucks, projected to reach 4,285 by 2039. The structure is 85 ft (25.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Road 9
CrossesDwaar Kill
Location3.0 MI North of CR 52
RouteCounty Highway 0
Coordinates41.62435, -74.19805
Functional classRural Minor Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length85 ft (25.9 m)
Longest span81 ft (24.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,061 (2019)
Projected traffic4,285 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 9 over Dwaar Kill built?

It was built in 2015, making it 10 years old in 2025.

What condition is County Road 9 over Dwaar 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 September 2023.

How much traffic does County Road 9 over Dwaar Kill carry?

About 3,061 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is County Road 9 over Dwaar Kill?

The structure is 85 ft (25.9 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.

Who owns County Road 9 over Dwaar Kill?

It is owned by the County Highway Agency.