US Bridges

RTE I495 over County Route 58 County

Good

Suffolk County, New York · 0.3 MI NE RTE 495+RTE 25 · Structure no. 000000001056220

Built
1972
53 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
197 ft
1 main span
Daily traffic
9,469
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I495 over County Route 58 County is a steel stringer/multi-beam or girder carrying RTE I495 over County Route 58 County in Suffolk County, New York. It was built in 1972, so it is 53 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,469 vehicles a day, roughly 5% of them trucks, projected to reach 9,942 by 2041. The structure is 197 ft (60 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE I495
CrossesCounty Route 58 County
Location0.3 MI NE RTE 495+RTE 25
RouteInterstate 495
CountySuffolk County
StateNew York
Coordinates40.92278, -72.71978
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length197 ft (60 m)
Longest span190 ft (57.9 m)
Deck width60 ft (18.4 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,469 (2020)
Projected traffic9,942 by 2041
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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$12 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I495 over County Route 58 County built?

It was built in 1972, making it 53 years old in 2025.

What condition is RTE I495 over County Route 58 County in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does RTE I495 over County Route 58 County carry?

About 9,469 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is RTE I495 over County Route 58 County?

The structure is 197 ft (60 m) long with a longest span of 190 ft (57.9 m) and a deck 60 ft wide.

Who owns RTE I495 over County Route 58 County?

It is owned by the State Highway Agency.