US Bridges

RTE I84 over Quassaic Creek

Fair

Orange County, New York · 0.6 MI E JCT I84+RTE 300 · Structure no. 000000001032479

Built
1963
62 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
64,329
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I84 over Quassaic Creek is a concrete continuous culvert carrying RTE I84 over Quassaic Creek in Orange County, New York. It was built in 1963, so it is 62 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 64,329 vehicles a day, roughly 16% of them trucks, projected to reach 108,934 by 2041. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 5.6 mi (9 km).

CarriesRTE I84
CrossesQuassaic Creek
Location0.6 MI E JCT I84+RTE 300
RouteInterstate 84
Coordinates41.51353, -74.05559
Functional classUrban Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,329 (2021)
Projected traffic108,934 by 2041
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I84 over Quassaic Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is RTE I84 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 August 2023.

How much traffic does RTE I84 over Quassaic Creek carry?

About 64,329 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is RTE I84 over Quassaic Creek?

The structure is 37 ft (11.3 m) long with a longest span of 11 ft (3.3 m).

Who owns RTE I84 over Quassaic Creek?

It is owned by the State Highway Agency.