US Bridges

RTE 908K over Sunken Meadow Crk

Fair

Suffolk County, New York · Smsp at Sunken Meadow · Structure no. 000000005059070

Built
1955
70 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Concrete
Length
85 ft
1 main span
Daily traffic
2,611
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 908K over Sunken Meadow Crk is a concrete arch - deck carrying RTE 908K over Sunken Meadow Crk 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 5 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 2,611 vehicles a day, roughly 5% of them trucks, projected to reach 3,655 by 2041. The structure is 85 ft (25.9 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRTE 908K
CrossesSunken Meadow Crk
LocationSmsp at Sunken Meadow
RouteState Highway 908K
CountySuffolk County
StateNew York
Coordinates40.90851, -73.25955
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length85 ft (25.9 m)
Longest span76 ft (23.1 m)
Deck width42 ft (12.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,611 (2021)
Projected traffic3,655 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 908K over Sunken Meadow Crk built?

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

What condition is RTE 908K over Sunken Meadow Crk 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 November 2023.

How much traffic does RTE 908K over Sunken Meadow Crk carry?

About 2,611 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RTE 908K over Sunken Meadow Crk?

The structure is 85 ft (25.9 m) long with a longest span of 76 ft (23.1 m) and a deck 42 ft wide.

Who owns RTE 908K over Sunken Meadow Crk?

It is owned by the State Highway Agency and maintained by the State Park, Forest, or Reservation Agency.