US Bridges

NJ-495 Viaduct over None

Fair

Hudson County, New Jersey · .3 MI West Lincoln Tunnel · Structure no. 3800020

Built
1937
88 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
150 ft
6 main spans
Daily traffic
147,075
2023 count
Owner
State
Other State Agency

About this bridge

NJ-495 Viaduct over None is a concrete tee beam carrying NJ-495 Viaduct over None in Hudson County, New Jersey. It was built in 1937, so it is 88 years old, older than the New Jersey average of 58.5 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 147,075 vehicles a day, roughly 5% of them trucks, projected to reach 176,490 by 2043. The structure is 150 ft (45.7 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNJ-495 Viaduct
CrossesNone
Location.3 MI West Lincoln Tunnel
RouteState Highway NJ495
Coordinates40.7689, -74.02427
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6 (+1 approach)
Design loadH 20
Structure length150 ft (45.7 m)
Longest span27 ft (8.2 m)
Deck width74 ft (22.5 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147,075 (2023)
Projected traffic176,490 by 2043
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NJ-495 Viaduct over None built?

It was built in 1937, making it 88 years old in 2025.

What condition is NJ-495 Viaduct over None 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 May 2023.

How much traffic does NJ-495 Viaduct over None carry?

About 147,075 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is NJ-495 Viaduct over None?

The structure is 150 ft (45.7 m) long with a longest span of 27 ft (8.2 m) and a deck 74 ft wide.

Who owns NJ-495 Viaduct over None?

It is owned by the Other State Agency.