US Bridges

RTE 908M over Hawthorne Ave Lirr-Mont

Fair

Suffolk County, New York · .5 MI SE JCT Rts 27+SSP · Structure no. 000000001059969

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
2 main spans
Daily traffic
15,892
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 908M over Hawthorne Ave Lirr-Mont is a steel stringer/multi-beam or girder carrying RTE 908M over Hawthorne Ave Lirr-Mont in Suffolk County, New York. It was built in 1960, so it is 65 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 15,892 vehicles a day, roughly 1% of them trucks, projected to reach 18,903 by 2041. The structure is 174 ft (53 m) long and 105 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 908M
CrossesHawthorne Ave Lirr-Mont
Location.5 MI SE JCT Rts 27+SSP
RouteState Highway 908M
Coordinates40.73988, -73.17258
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 inspectionAugust 2024
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 rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length174 ft (53 m)
Longest span85 ft (25.9 m)
Deck width105 ft (32.1 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,892 (2019)
Projected traffic18,903 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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$16.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 908M over Hawthorne Ave Lirr-Mont built?

It was built in 1960, making it 65 years old in 2025.

What condition is RTE 908M over Hawthorne Ave Lirr-Mont 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 Hawthorne Ave Lirr-Mont carry?

About 15,892 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is RTE 908M over Hawthorne Ave Lirr-Mont?

The structure is 174 ft (53 m) long with a longest span of 85 ft (25.9 m) and a deck 105 ft wide.

Who owns RTE 908M over Hawthorne Ave Lirr-Mont?

It is owned by the State Highway Agency.