US Bridges

Ramp NW over I-78 WB Outer & Ramp NE

Fair

Essex County, New Jersey · At Interch 56 Clinton Ave · Structure no. 0723160

Built
1976
49 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
164 ft
2 main spans
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp NW over I-78 WB Outer & Ramp NE is a steel stringer/multi-beam or girder carrying Ramp NW over I-78 WB Outer & Ramp NE in Essex County, New Jersey. It was built in 1976, so it is 49 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 7,500 vehicles a day, roughly 9% of them trucks, projected to reach 9,000 by 2043. The structure is 164 ft (50 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRamp NW
CrossesI-78 WB Outer & Ramp NE
LocationAt Interch 56 Clinton Ave
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.71198, -74.19803
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length164 ft (50 m)
Longest span108 ft (32.9 m)
Deck width38 ft (11.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic9,000 by 2043
Trucks9%
Lanes on structure2
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.3 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp NW over I-78 WB Outer & Ramp NE built?

It was built in 1976, making it 49 years old in 2025.

What condition is Ramp NW over I-78 WB Outer & Ramp NE 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 Ramp NW over I-78 WB Outer & Ramp NE carry?

About 7,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ramp NW over I-78 WB Outer & Ramp NE?

The structure is 164 ft (50 m) long with a longest span of 108 ft (32.9 m) and a deck 38 ft wide.

Who owns Ramp NW over I-78 WB Outer & Ramp NE?

It is owned by the State Highway Agency.