US Bridges

RTE 908K over RTE 25A

Fair

Suffolk County, New York · Smsp + RTE 25A · Structure no. 000000001059059

Built
1955
70 years old
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
90 ft
1 main span
Daily traffic
11,430
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 908K over RTE 25A is a concrete frame carrying RTE 908K over RTE 25A in Suffolk County, New York. It was built in 1955, so it is 70 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 11,430 vehicles a day, roughly 1% of them trucks, projected to reach 13,595 by 2041. The structure is 90 ft (27.4 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 908K
CrossesRTE 25A
LocationSmsp + RTE 25A
RouteState Highway 908K
Coordinates40.89688, -73.26578
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.3 US tons
Inventory rating26.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length90 ft (27.4 m)
Longest span79 ft (24 m)
Deck width70 ft (21.3 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,430 (2019)
Projected traffic13,595 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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$7.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 908K over RTE 25A built?

It was built in 1955, making it 70 years old in 2025.

What condition is RTE 908K over RTE 25A 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 July 2023.

How much traffic does RTE 908K over RTE 25A carry?

About 11,430 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is RTE 908K over RTE 25A?

The structure is 90 ft (27.4 m) long with a longest span of 79 ft (24 m) and a deck 70 ft wide.

Who owns RTE 908K over RTE 25A?

It is owned by the State Highway Agency.