US Bridges

RTE 908J over RTE 908M

Fair

Suffolk County, New York · 1.8 MI E JCT SH 231 & Ssp · Structure no. 000000001059849

Built
1961
64 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
70 ft
1 main span
Daily traffic
49,577
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 908J over RTE 908M is a concrete frame carrying RTE 908J over RTE 908M in Suffolk County, New York. It was built in 1961, so it is 64 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 49,577 vehicles a day, roughly 1% of them trucks, projected to reach 58,971 by 2041. The structure is 70 ft (21.3 m) long and 71 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 908J
CrossesRTE 908M
Location1.8 MI E JCT SH 231 & Ssp
RouteState Highway 908J
Coordinates40.73586, -73.28737
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.8 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span62 ft (18.8 m)
Deck width71 ft (21.7 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,577 (2019)
Projected traffic58,971 by 2041
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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$5.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 908J over RTE 908M built?

It was built in 1961, making it 64 years old in 2025.

What condition is RTE 908J over RTE 908M 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 March 2024.

How much traffic does RTE 908J over RTE 908M carry?

About 49,577 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is RTE 908J over RTE 908M?

The structure is 70 ft (21.3 m) long with a longest span of 62 ft (18.8 m) and a deck 71 ft wide.

Who owns RTE 908J over RTE 908M?

It is owned by the State Highway Agency.