US Bridges

RTE 908M over RTE 908K

Fair

Suffolk County, New York · 2.7 MI NE JCT SH 231 & Ss · Structure no. 000000001058910

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
84,436
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 908M over RTE 908K is a steel stringer/multi-beam or girder carrying RTE 908M over RTE 908K 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 84,436 vehicles a day, roughly 1% of them trucks, projected to reach 100,436 by 2041. The structure is 68 ft (20.7 m) long and 57 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRTE 908M
CrossesRTE 908K
Location2.7 MI NE JCT SH 231 & Ss
RouteState Highway 908M
CountySuffolk County
StateNew York
Coordinates40.74555, -73.27895
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span60 ft (18.2 m)
Deck width57 ft (17.4 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,436 (2018)
Projected traffic100,436 by 2041
Trucks1%
Lanes on structure3
Traffic directionOne-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$5.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 908M over RTE 908K built?

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

What condition is RTE 908M over RTE 908K 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 August 2024.

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

About 84,436 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is RTE 908M over RTE 908K?

The structure is 68 ft (20.7 m) long with a longest span of 60 ft (18.2 m) and a deck 57 ft wide.

Who owns RTE 908M over RTE 908K?

It is owned by the State Highway Agency.