US Bridges

I-78 EB Inner over Conrail (lvrr)

Fair

Essex County, New Jersey · 3.10 MI East of Gsp JCT · Structure no. 0723170

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
235 ft
3 main spans
Daily traffic
47,281
2023 count
Owner
State
State Highway Agency

About this bridge

I-78 EB Inner over Conrail (lvrr) is a steel stringer/multi-beam or girder carrying I-78 EB Inner over Conrail (lvrr) 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 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 47,281 vehicles a day, roughly 9% of them trucks, projected to reach 57,691 by 2043. The structure is 235 ft (71.6 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-78 EB Inner
CrossesConrail (lvrr)
Location3.10 MI East of Gsp JCT
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.70987, -74.19534
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 inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span101 ft (30.8 m)
Deck width51 ft (15.5 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,281 (2023)
Projected traffic57,691 by 2043
Trucks9%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 EB Inner over Conrail (lvrr) built?

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

What condition is I-78 EB Inner over Conrail (lvrr) 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 July 2023.

How much traffic does I-78 EB Inner over Conrail (lvrr) carry?

About 47,281 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-78 EB Inner over Conrail (lvrr)?

The structure is 235 ft (71.6 m) long with a longest span of 101 ft (30.8 m) and a deck 51 ft wide.

Who owns I-78 EB Inner over Conrail (lvrr)?

It is owned by the State Highway Agency.