US Bridges

I-78EB Outer Ramps over Conrail (mp 11.33)

Poor

Essex County, New Jersey · 3.10 MI East of Gsp · Structure no. 0723169

Built
1972
53 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
247 ft
3 main spans
Daily traffic
84,700
2023 count
Owner
State
State Highway Agency

About this bridge

I-78EB Outer Ramps over Conrail (mp 11.33) is a steel stringer/multi-beam or girder carrying I-78EB Outer Ramps over Conrail (mp 11.33) in Essex County, New Jersey. It was built in 1972, so it is 53 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 84,700 vehicles a day, roughly 9% of them trucks, projected to reach 103,350 by 2043. The structure is 247 ft (75.3 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-78EB Outer Ramps
CrossesConrail (mp 11.33)
Location3.10 MI East of Gsp
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.7096, -74.19518
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length247 ft (75.3 m)
Longest span104 ft (31.7 m)
Deck width104 ft (31.6 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,700 (2023)
Projected traffic103,350 by 2043
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78EB Outer Ramps over Conrail (mp 11.33) built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-78EB Outer Ramps over Conrail (mp 11.33) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does I-78EB Outer Ramps over Conrail (mp 11.33) carry?

About 84,700 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-78EB Outer Ramps over Conrail (mp 11.33)?

The structure is 247 ft (75.3 m) long with a longest span of 104 ft (31.7 m) and a deck 104 ft wide.

Who owns I-78EB Outer Ramps over Conrail (mp 11.33)?

It is owned by the State Highway Agency.