US Bridges

Patch-Mt Sinai RD over South Bicycle Path Sout

Fair

Suffolk County, New York · 1 MI E of Farmingville · Structure no. 000000003364391

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
215 ft
4 main spans
Daily traffic
22,914
2018 count
Owner
County
County Highway Agency

About this bridge

Patch-Mt Sinai RD over South Bicycle Path Sout is a steel stringer/multi-beam or girder carrying Patch-Mt Sinai RD over South Bicycle Path Sout in Suffolk County, New York. It was built in 1973, so it is 52 years old, younger 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 22,914 vehicles a day, roughly 5% of them trucks, projected to reach 26,438 by 2041. The structure is 215 ft (65.5 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPatch-Mt Sinai RD
CrossesSouth Bicycle Path Sout
Location1 MI E of Farmingville
RouteCounty Highway 0
Coordinates40.84314, -73.01876
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span62 ft (18.8 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,914 (2018)
Projected traffic26,438 by 2041
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Patch-Mt Sinai RD over South Bicycle Path Sout built?

It was built in 1973, making it 52 years old in 2025.

What condition is Patch-Mt Sinai RD over South Bicycle Path Sout 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 April 2024.

How much traffic does Patch-Mt Sinai RD over South Bicycle Path Sout carry?

About 22,914 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Patch-Mt Sinai RD over South Bicycle Path Sout?

The structure is 215 ft (65.5 m) long with a longest span of 62 ft (18.8 m) and a deck 43 ft wide.

Who owns Patch-Mt Sinai RD over South Bicycle Path Sout?

It is owned by the County Highway Agency.