US Bridges

I-78 Ramp 7 over I-78 Ramp 9

Fair

Essex County, New Jersey · At I-78 and Rts 1+9 JCT · Structure no. 0725168

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
3,715
2024 count
Owner
State
State Highway Agency

About this bridge

I-78 Ramp 7 over I-78 Ramp 9 is a steel stringer/multi-beam or girder carrying I-78 Ramp 7 over I-78 Ramp 9 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 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 3,715 vehicles a day, roughly 9% of them trucks, projected to reach 4,532 by 2044. The structure is 85 ft (25.9 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-78 Ramp 7
CrossesI-78 Ramp 9
LocationAt I-78 and Rts 1+9 JCT
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.71, -74.1591
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating64 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length85 ft (25.9 m)
Longest span81 ft (24.7 m)
Deck width29 ft (8.7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,715 (2024)
Projected traffic4,532 by 2044
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 Ramp 7 over I-78 Ramp 9 built?

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

What condition is I-78 Ramp 7 over I-78 Ramp 9 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 June 2024.

How much traffic does I-78 Ramp 7 over I-78 Ramp 9 carry?

About 3,715 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-78 Ramp 7 over I-78 Ramp 9?

The structure is 85 ft (25.9 m) long with a longest span of 81 ft (24.7 m) and a deck 29 ft wide.

Who owns I-78 Ramp 7 over I-78 Ramp 9?

It is owned by the State Highway Agency.