US Bridges

RTE 908J over RTE 27A

Fair

Suffolk County, New York · In West Islip · Structure no. 000000001058839

Built
1952
73 years old
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
105 ft
1 main span
Daily traffic
32,793
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 908J over RTE 27A is a concrete frame carrying RTE 908J over RTE 27A in Suffolk County, New York. It was built in 1952, so it is 73 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 32,793 vehicles a day, roughly 2% of them trucks, projected to reach 39,007 by 2041. The structure is 105 ft (31.9 m) long and 71 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 908J
CrossesRTE 27A
LocationIn West Islip
RouteState Highway 908J
CountySuffolk County
StateNew York
Coordinates40.69663, -73.28839
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating25.2 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length105 ft (31.9 m)
Longest span89 ft (27.1 m)
Deck width71 ft (21.6 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,793 (2021)
Projected traffic39,007 by 2041
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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$7.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 908J over RTE 27A built?

It was built in 1952, making it 73 years old in 2025.

What condition is RTE 908J over RTE 27A 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 April 2024.

How much traffic does RTE 908J over RTE 27A carry?

About 32,793 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is RTE 908J over RTE 27A?

The structure is 105 ft (31.9 m) long with a longest span of 89 ft (27.1 m) and a deck 71 ft wide.

Who owns RTE 908J over RTE 27A?

It is owned by the State Highway Agency.