US Bridges

RTE I495 over Post Road

Fair

Nassau County, New York · 2 MI W JCT I495 & SH 25 · Structure no. 000000001049139

Built
1962
63 years old, rebuilt 2006
Condition
Fair
inspected June 2024
Type
Frame
Concrete
Length
83 ft
1 main span
Daily traffic
153,822
2018 count
Owner
State
State Highway Agency

About this bridge

RTE I495 over Post Road is a concrete frame carrying RTE I495 over Post Road in Nassau County, New York. It was built in 1962 and reconstructed in 2006, so it is 63 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 5 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 153,822 vehicles a day, roughly 12% of them trucks, projected to reach 161,513 by 2041. The structure is 83 ft (25.3 m) long and 136 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE I495
CrossesPost Road
Location2 MI W JCT I495 & SH 25
RouteInterstate 495
CountyNassau County
StateNew York
Coordinates40.78349, -73.58946
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating91.2 US tons
Inventory rating21.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length83 ft (25.3 m)
Longest span78 ft (23.7 m)
Deck width136 ft (41.5 m)
Roadway width130 ft (39.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153,822 (2018)
Projected traffic161,513 by 2041
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$11.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I495 over Post Road built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2006.

What condition is RTE I495 over Post 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 June 2024.

How much traffic does RTE I495 over Post Road carry?

About 153,822 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is RTE I495 over Post Road?

The structure is 83 ft (25.3 m) long with a longest span of 78 ft (23.7 m) and a deck 136 ft wide.

Who owns RTE I495 over Post Road?

It is owned by the State Highway Agency.