US Bridges

I-78 Ramp 4 over I-78 WB Local

Fair

Essex County, New Jersey · At I-78 & U.S.1&9 JCT · Structure no. 0725169

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
179 ft
3 main spans
Daily traffic
28,550
2022 count
Owner
State
State Highway Agency

About this bridge

I-78 Ramp 4 over I-78 WB Local is a steel stringer/multi-beam or girder carrying I-78 Ramp 4 over I-78 WB Local in Essex County, New Jersey. It was built in 1970, so it is 55 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 28,550 vehicles a day, roughly 9% of them trucks, projected to reach 34,830 by 2042. The structure is 179 ft (54.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-78 Ramp 4
CrossesI-78 WB Local
LocationAt I-78 & U.S.1&9 JCT
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.71042, -74.16146
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length179 ft (54.6 m)
Longest span87 ft (26.5 m)
Deck width33 ft (10.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,550 (2022)
Projected traffic34,830 by 2042
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 Ramp 4 over I-78 WB Local built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-78 Ramp 4 over I-78 WB Local 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 Ramp 4 over I-78 WB Local carry?

About 28,550 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is I-78 Ramp 4 over I-78 WB Local?

The structure is 179 ft (54.6 m) long with a longest span of 87 ft (26.5 m) and a deck 33 ft wide.

Who owns I-78 Ramp 4 over I-78 WB Local?

It is owned by the State Highway Agency.