US Bridges

I-78 Ramp 7 over I-78 and Ramp 1

Fair

Essex County, New Jersey · 0.55 Miles W of Njtpk · Structure no. 0725167

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
403 ft
7 main spans
Daily traffic
7,548
2023 count
Owner
State
State Highway Agency

About this bridge

I-78 Ramp 7 over I-78 and Ramp 1 is a steel stringer/multi-beam or girder carrying I-78 Ramp 7 over I-78 and Ramp 1 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 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 7,548 vehicles a day, roughly 9% of them trucks, projected to reach 9,072 by 2043. The structure is 403 ft (122.8 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-78 Ramp 7
CrossesI-78 and Ramp 1
Location0.55 Miles W of Njtpk
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.70924, -74.16072
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.
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 inspectionSeptember 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 geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length403 ft (122.8 m)
Longest span89 ft (27.1 m)
Deck width29 ft (8.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,548 (2023)
Projected traffic9,072 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$22,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 Ramp 7 over I-78 and Ramp 1 built?

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

What condition is I-78 Ramp 7 over I-78 and Ramp 1 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 7 over I-78 and Ramp 1 carry?

About 7,548 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-78 Ramp 7 over I-78 and Ramp 1?

The structure is 403 ft (122.8 m) long with a longest span of 89 ft (27.1 m) and a deck 29 ft wide.

Who owns I-78 Ramp 7 over I-78 and Ramp 1?

It is owned by the State Highway Agency.