US Bridges

RTE 17K over Quassaic Creek

Fair

Orange County, New York · 1.5 MI E JCT Rts 17K+I87 · Structure no. 000000001014530

Built
1959
66 years old, rebuilt 1995
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
15,952
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 17K over Quassaic Creek is a concrete continuous culvert carrying RTE 17K over Quassaic Creek in Orange County, New York. It was built in 1959 and reconstructed in 1995, so it is 66 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 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 15,952 vehicles a day, roughly 5% of them trucks, projected to reach 16,026 by 2041. The structure is 37 ft (11.3 m) long and 66 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRTE 17K
CrossesQuassaic Creek
Location1.5 MI E JCT Rts 17K+I87
RouteState Highway 17K
CountyOrange County
StateNew York
Coordinates41.50265, -74.0478
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum 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 alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length37 ft (11.3 m)
Longest span17 ft (5.2 m)
Deck width66 ft (20.1 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,952 (2019)
Projected traffic16,026 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$3.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 17K over Quassaic Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1995.

What condition is RTE 17K over Quassaic Creek 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 RTE 17K over Quassaic Creek carry?

About 15,952 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is RTE 17K over Quassaic Creek?

The structure is 37 ft (11.3 m) long with a longest span of 17 ft (5.2 m) and a deck 66 ft wide.

Who owns RTE 17K over Quassaic Creek?

It is owned by the State Highway Agency.