US Bridges

RTE 908K over Long Island Expressway S

Fair

Suffolk County, New York · 3.2 MI E JCT Rts 231+495 · Structure no. 000000001049382

Built
1964
61 years old, rebuilt 1992
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
390 ft
4 main spans
Daily traffic
45,181
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 908K over Long Island Expressway S is a steel stringer/multi-beam or girder carrying RTE 908K over Long Island Expressway S in Suffolk County, New York. It was built in 1964 and reconstructed in 1992, so it is 61 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 45,181 vehicles a day, roughly 1% of them trucks, projected to reach 53,742 by 2041. The structure is 390 ft (118.9 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 908K
CrossesLong Island Expressway S
Location3.2 MI E JCT Rts 231+495
RouteState Highway 908K
Coordinates40.80472, -73.28073
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 rating83.6 US tons
Inventory rating64.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length390 ft (118.9 m)
Longest span98 ft (29.8 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,181 (2021)
Projected traffic53,742 by 2041
Trucks1%
Lanes on structure3
Traffic directionOne-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$11.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 908K over Long Island Expressway S built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1992.

What condition is RTE 908K over Long Island Expressway S 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 December 2023.

How much traffic does RTE 908K over Long Island Expressway S carry?

About 45,181 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is RTE 908K over Long Island Expressway S?

The structure is 390 ft (118.9 m) long with a longest span of 98 ft (29.8 m) and a deck 44 ft wide.

Who owns RTE 908K over Long Island Expressway S?

It is owned by the State Highway Agency.