US Bridges

I-78 Ramps 5+6 over US 1+9 and Ramp 11

Fair

Essex County, New Jersey · At 78-1&9 JCT · Structure no. 0725171

Built
1970
55 years old, rebuilt 2019
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
271 ft
2 main spans
Daily traffic
17,820
2023 count
Owner
State
State Highway Agency

About this bridge

I-78 Ramps 5+6 over US 1+9 and Ramp 11 is a steel stringer/multi-beam or girder carrying I-78 Ramps 5+6 over US 1+9 and Ramp 11 in Essex County, New Jersey. It was built in 1970 and reconstructed in 2019, 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 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 17,820 vehicles a day, roughly 9% of them trucks, projected to reach 21,400 by 2043. The structure is 271 ft (82.6 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-78 Ramps 5+6
CrossesUS 1+9 and Ramp 11
LocationAt 78-1&9 JCT
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.70869, -74.16633
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length271 ft (82.6 m)
Longest span134 ft (40.8 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,820 (2023)
Projected traffic21,400 by 2043
Trucks9%
Lanes on structure3
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 Ramps 5+6 over US 1+9 and Ramp 11 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2019.

What condition is I-78 Ramps 5+6 over US 1+9 and Ramp 11 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 February 2023.

How much traffic does I-78 Ramps 5+6 over US 1+9 and Ramp 11 carry?

About 17,820 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-78 Ramps 5+6 over US 1+9 and Ramp 11?

The structure is 271 ft (82.6 m) long with a longest span of 134 ft (40.8 m) and a deck 53 ft wide.

Who owns I-78 Ramps 5+6 over US 1+9 and Ramp 11?

It is owned by the State Highway Agency.