US Bridges

RTE 909D over Bay Parkway Bay Parkway

Fair

Nassau County, New York · Near East Bay in Nassau · Structure no. 000000001059119

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete Continuous
Length
126 ft
2 main spans
Daily traffic
11,835
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 909D over Bay Parkway Bay Parkway is a concrete continuous frame carrying RTE 909D over Bay Parkway Bay Parkway in Nassau County, New York. It was built in 1967, so it is 58 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 11,835 vehicles a day, roughly 1% of them trucks, projected to reach 14,077 by 2041. The structure is 126 ft (38.4 m) long and 114 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRTE 909D
CrossesBay Parkway Bay Parkway
LocationNear East Bay in Nassau
RouteState Highway 909D
CountyNassau County
StateNew York
Coordinates40.59368, -73.53792
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.4 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span56 ft (17 m)
Deck width114 ft (34.8 m)
Roadway width110 ft (33.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,835 (2019)
Projected traffic14,077 by 2041
Trucks1%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$13.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 909D over Bay Parkway Bay Parkway built?

It was built in 1967, making it 58 years old in 2025.

What condition is RTE 909D over Bay Parkway Bay Parkway 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 2024.

How much traffic does RTE 909D over Bay Parkway Bay Parkway carry?

About 11,835 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is RTE 909D over Bay Parkway Bay Parkway?

The structure is 126 ft (38.4 m) long with a longest span of 56 ft (17 m) and a deck 114 ft wide.

Who owns RTE 909D over Bay Parkway Bay Parkway?

It is owned by the State Highway Agency.