US Bridges

I-78 Ramp En over Elizabeth Ave & Ramp Wn

Fair

Essex County, New Jersey · 2.4 MI West of Njtpk JCT · Structure no. 0723166

Built
1976
49 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
395 ft
4 main spans
Daily traffic
4,460
2023 count
Owner
State
State Highway Agency

About this bridge

I-78 Ramp En over Elizabeth Ave & Ramp Wn is a steel stringer/multi-beam or girder carrying I-78 Ramp En over Elizabeth Ave & Ramp Wn in Essex County, New Jersey. It was built in 1976, so it is 49 years old, younger 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 4,460 vehicles a day, roughly 9% of them trucks, projected to reach 5,350 by 2043. The structure is 395 ft (120.4 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-78 Ramp En
CrossesElizabeth Ave & Ramp Wn
Location2.4 MI West of Njtpk JCT
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.71145, -74.19678
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length395 ft (120.4 m)
Longest span121 ft (36.9 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic4,460 (2023)
Projected traffic5,350 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.7 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 Ramp En over Elizabeth Ave & Ramp Wn built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-78 Ramp En over Elizabeth Ave & Ramp Wn 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 February 2023.

How much traffic does I-78 Ramp En over Elizabeth Ave & Ramp Wn carry?

About 4,460 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-78 Ramp En over Elizabeth Ave & Ramp Wn?

The structure is 395 ft (120.4 m) long with a longest span of 121 ft (36.9 m) and a deck 37 ft wide.

Who owns I-78 Ramp En over Elizabeth Ave & Ramp Wn?

It is owned by the State Highway Agency.