US Bridges

Yaphank Avenue over 495I 495I07041281 RTE I

Fair

Suffolk County, New York · 4.1 MI E JCT SH112 & I495 · Structure no. 000000001064160

Built
1970
55 years old, rebuilt 2015
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
254 ft
4 main spans
Daily traffic
9,450
2019 count
Owner
State
State Highway Agency

About this bridge

Yaphank Avenue over 495I 495I07041281 RTE I is a steel stringer/multi-beam or girder carrying Yaphank Avenue over 495I 495I07041281 RTE I in Suffolk County, New York. It was built in 1970 and reconstructed in 2015, so it is 55 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 9,450 vehicles a day, roughly 6% of them trucks, projected to reach 11,692 by 2041. The structure is 254 ft (77.4 m) long and 60 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesYaphank Avenue
Crosses495I 495I07041281 RTE I
Location4.1 MI E JCT SH112 & I495
RouteCounty Highway 0
Coordinates40.83244, -72.91712
Functional classUrban Collector

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span86 ft (26.2 m)
Deck width60 ft (18.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,450 (2019)
Projected traffic11,692 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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$10.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Yaphank Avenue over 495I 495I07041281 RTE I built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2015.

What condition is Yaphank Avenue over 495I 495I07041281 RTE I 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 June 2023.

How much traffic does Yaphank Avenue over 495I 495I07041281 RTE I carry?

About 9,450 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Yaphank Avenue over 495I 495I07041281 RTE I?

The structure is 254 ft (77.4 m) long with a longest span of 86 ft (26.2 m) and a deck 60 ft wide.

Who owns Yaphank Avenue over 495I 495I07041281 RTE I?

It is owned by the State Highway Agency.