US Bridges

RTE 908G over RTE 231

Fair

Suffolk County, New York · JCT Nsp + RTE 231 · Structure no. 000000001058399

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Frame
Concrete
Length
74 ft
1 main span
Daily traffic
73,221
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 908G over RTE 231 is a concrete frame carrying RTE 908G over RTE 231 in Suffolk County, New York. It was built in 1950, so it is 75 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 73,221 vehicles a day, roughly 1% of them trucks, projected to reach 87,096 by 2041. The structure is 74 ft (22.6 m) long and 79 ft wide.

Location

Open in Google Maps
CarriesRTE 908G
CrossesRTE 231
LocationJCT Nsp + RTE 231
RouteState Highway 908G
CountySuffolk County
StateNew York
Coordinates40.82349, -73.3434
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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating25.2 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length74 ft (22.6 m)
Longest span64 ft (19.5 m)
Deck width79 ft (24.1 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,221 (2021)
Projected traffic87,096 by 2041
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$6.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 908G over RTE 231 built?

It was built in 1950, making it 75 years old in 2025.

What condition is RTE 908G over RTE 231 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 February 2024.

How much traffic does RTE 908G over RTE 231 carry?

About 73,221 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is RTE 908G over RTE 231?

The structure is 74 ft (22.6 m) long with a longest span of 64 ft (19.5 m) and a deck 79 ft wide.

Who owns RTE 908G over RTE 231?

It is owned by the State Highway Agency.