US Bridges

RTE 300 over Quassaic Creek

Fair

Orange County, New York · 3.0 MI NW of Newburgh · Structure no. 000000003345000

Built
1938
87 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
10,970
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 300 over Quassaic Creek is a concrete slab carrying RTE 300 over Quassaic Creek in Orange County, New York. It was built in 1938, so it is 87 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 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 10,970 vehicles a day, roughly 6% of them trucks, projected to reach 13,326 by 2041. The structure is 25 ft (7.6 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 300
CrossesQuassaic Creek
Location3.0 MI NW of Newburgh
RouteState Highway 300
Coordinates41.53283, -74.06331
Functional classUrban Minor 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width45 ft (13.7 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,970 (2018)
Projected traffic13,326 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 300 over Quassaic Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is RTE 300 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 300 over Quassaic Creek carry?

About 10,970 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is RTE 300 over Quassaic Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 45 ft wide.

Who owns RTE 300 over Quassaic Creek?

It is owned by the State Highway Agency.