US Bridges

I-78 EB Outer Road over Elizabeth Avenue

Fair

Essex County, New Jersey · 2.4 MI West of Nj Trpk · Structure no. 0723167

Built
1976
49 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
132 ft
1 main span
Daily traffic
54,789
2024 count
Owner
State
State Highway Agency

About this bridge

I-78 EB Outer Road over Elizabeth Avenue is a steel stringer/multi-beam or girder carrying I-78 EB Outer Road over Elizabeth Avenue 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 54,789 vehicles a day, roughly 9% of them trucks, projected to reach 66,832 by 2044. The structure is 132 ft (40.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-78 EB Outer Road
CrossesElizabeth Avenue
Location2.4 MI West of Nj Trpk
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.71022, -74.19728
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length132 ft (40.2 m)
Longest span128 ft (39 m)
Deck width45 ft (13.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,789 (2024)
Projected traffic66,832 by 2044
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 EB Outer Road over Elizabeth Avenue built?

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

What condition is I-78 EB Outer Road over Elizabeth Avenue 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 July 2024.

How much traffic does I-78 EB Outer Road over Elizabeth Avenue carry?

About 54,789 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-78 EB Outer Road over Elizabeth Avenue?

The structure is 132 ft (40.2 m) long with a longest span of 128 ft (39 m) and a deck 45 ft wide.

Who owns I-78 EB Outer Road over Elizabeth Avenue?

It is owned by the State Highway Agency.