US Bridges

I-78 over Ramps Eg & Nj 24 EB

Fair

Union County, New Jersey · 0.38 Miles W of Nj 124 · Structure no. 2010180

Built
1974
51 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
450 ft
3 main spans
Daily traffic
148,329
2023 count
Owner
State
State Highway Agency

About this bridge

I-78 over Ramps Eg & Nj 24 EB is a steel continuous stringer/multi-beam or girder carrying I-78 over Ramps Eg & Nj 24 EB in Union County, New Jersey. It was built in 1974, so it is 51 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 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 148,329 vehicles a day, roughly 9% of them trucks, projected to reach 180,989 by 2043. The structure is 450 ft (137.2 m) long and 138 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-78
CrossesRamps Eg & Nj 24 EB
Location0.38 Miles W of Nj 124
RouteInterstate 78
CountyUnion County
StateNew Jersey
Coordinates40.71163, -74.32417
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length450 ft (137.2 m)
Longest span157 ft (47.9 m)
Deck width138 ft (42.2 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148,329 (2023)
Projected traffic180,989 by 2043
Trucks9%
Lanes on structure6
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 over Ramps Eg & Nj 24 EB built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-78 over Ramps Eg & Nj 24 EB 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 September 2023.

How much traffic does I-78 over Ramps Eg & Nj 24 EB carry?

About 148,329 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-78 over Ramps Eg & Nj 24 EB?

The structure is 450 ft (137.2 m) long with a longest span of 157 ft (47.9 m) and a deck 138 ft wide.

Who owns I-78 over Ramps Eg & Nj 24 EB?

It is owned by the State Highway Agency.