US Bridges

I-78 Ramp Eg over Nj 24 EB

Fair

Union County, New Jersey · At 78-24 JCT · Structure no. 2010181

Built
1974
51 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
139 ft
3 main spans
Daily traffic
8,059
2023 count
Owner
State
State Highway Agency

About this bridge

I-78 Ramp Eg over Nj 24 EB is a steel stringer/multi-beam or girder carrying I-78 Ramp Eg over 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 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 8,059 vehicles a day, roughly 9% of them trucks, projected to reach 9,834 by 2043. The structure is 139 ft (42.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-78 Ramp Eg
CrossesNj 24 EB
LocationAt 78-24 JCT
RouteInterstate 78
CountyUnion County
StateNew Jersey
Coordinates40.71174, -74.32391
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.
Superstructure7 GoodSome minor problems.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length139 ft (42.4 m)
Longest span87 ft (26.5 m)
Deck width30 ft (9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic8,059 (2023)
Projected traffic9,834 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 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 Ramp Eg over Nj 24 EB built?

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

What condition is I-78 Ramp Eg over 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 Ramp Eg over Nj 24 EB carry?

About 8,059 vehicles per day (2023 count), of which roughly 9% are trucks.

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

The structure is 139 ft (42.4 m) long with a longest span of 87 ft (26.5 m) and a deck 30 ft wide.

Who owns I-78 Ramp Eg over Nj 24 EB?

It is owned by the State Highway Agency.