US Bridges

Yaphank Avenue over Yaphank Avenue Long Isl

Fair

Suffolk County, New York · At Yaphank · Structure no. 000000003364539

Built
1978
47 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
437 ft
5 main spans
Daily traffic
10,660
2020 count
Owner
County
County Highway Agency

About this bridge

Yaphank Avenue over Yaphank Avenue Long Isl is a steel stringer/multi-beam or girder carrying Yaphank Avenue over Yaphank Avenue Long Isl in Suffolk County, New York. It was built in 1978, so it is 47 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 10,660 vehicles a day, roughly 8% of them trucks, projected to reach 14,924 by 2040. The structure is 437 ft (133.2 m) long and 62 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesYaphank Avenue
CrossesYaphank Avenue Long Isl
LocationAt Yaphank
RouteCounty Highway 0
CountySuffolk County
StateNew York
Coordinates40.82519, -72.91676
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
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 geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length437 ft (133.2 m)
Longest span86 ft (26.2 m)
Deck width62 ft (18.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,660 (2020)
Projected traffic14,924 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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$19.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Yaphank Avenue over Yaphank Avenue Long Isl built?

It was built in 1978, making it 47 years old in 2025.

What condition is Yaphank Avenue over Yaphank Avenue Long Isl 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 Yaphank Avenue over Yaphank Avenue Long Isl carry?

About 10,660 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Yaphank Avenue over Yaphank Avenue Long Isl?

The structure is 437 ft (133.2 m) long with a longest span of 86 ft (26.2 m) and a deck 62 ft wide.

Who owns Yaphank Avenue over Yaphank Avenue Long Isl?

It is owned by the County Highway Agency.