US Bridges

RTE I495 over Terry Road

Fair

Suffolk County, New York · 2 MI E JCT Rts 454 & I495 · Structure no. 000000001049462

Built
1998
27 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
89 ft
1 main span
Daily traffic
73,766
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I495 over Terry Road is a steel stringer/multi-beam or girder carrying RTE I495 over Terry Road in Suffolk County, New York. It was built in 1998, so it is 27 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 73,766 vehicles a day, roughly 7% of them trucks, projected to reach 77,454 by 2041. The structure is 89 ft (27.1 m) long and 85 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I495
CrossesTerry Road
Location2 MI E JCT Rts 454 & I495
RouteInterstate 495
Coordinates40.81058, -73.14711
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length89 ft (27.1 m)
Longest span85 ft (25.9 m)
Deck width85 ft (25.9 m)
Roadway width79 ft (24.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,766 (2021)
Projected traffic77,454 by 2041
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$8.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I495 over Terry Road built?

It was built in 1998, making it 27 years old in 2025.

What condition is RTE I495 over Terry Road 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 RTE I495 over Terry Road carry?

About 73,766 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is RTE I495 over Terry Road?

The structure is 89 ft (27.1 m) long with a longest span of 85 ft (25.9 m) and a deck 85 ft wide.

Who owns RTE I495 over Terry Road?

It is owned by the State Highway Agency.