US Bridges

I-78 Eastbound over Nj 124

Fair

Union County, New Jersey · 1 Mi.W.Of I-78 EXIT-49 · Structure no. 2010165

Built
1967
58 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
166 ft
3 main spans
Daily traffic
100,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-78 Eastbound over Nj 124 is a steel stringer/multi-beam or girder carrying I-78 Eastbound over Nj 124 in Union County, New Jersey. It was built in 1967, so it is 58 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 100,500 vehicles a day, roughly 9% of them trucks, projected to reach 118,390 by 2044. The structure is 166 ft (50.6 m) long and 119 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-78 Eastbound
CrossesNj 124
Location1 Mi.W.Of I-78 EXIT-49
RouteInterstate 78
Coordinates40.71234, -74.31534
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length166 ft (50.6 m)
Longest span103 ft (31.4 m)
Deck width119 ft (36.2 m)
Roadway width109 ft (33.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100,500 (2024)
Projected traffic118,390 by 2044
Trucks9%
Lanes on structure6
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 Eastbound over Nj 124 built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-78 Eastbound over Nj 124 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 Eastbound over Nj 124 carry?

About 100,500 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-78 Eastbound over Nj 124?

The structure is 166 ft (50.6 m) long with a longest span of 103 ft (31.4 m) and a deck 119 ft wide.

Who owns I-78 Eastbound over Nj 124?

It is owned by the State Highway Agency.