US Bridges

I-78 WB Ramps over Conrail MP 11.25

Poor

Essex County, New Jersey · 1.3 M W of Njtpk · Structure no. 0723172

Built
1973
52 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
3 main spans
Daily traffic
83,060
2023 count
Owner
State
State Highway Agency

About this bridge

I-78 WB Ramps over Conrail MP 11.25 is a steel stringer/multi-beam or girder carrying I-78 WB Ramps over Conrail MP 11.25 in Essex County, New Jersey. It was built in 1973, so it is 52 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 83,060 vehicles a day, roughly 9% of them trucks, projected to reach 101,350 by 2043. The structure is 240 ft (73.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-78 WB Ramps
CrossesConrail MP 11.25
Location1.3 M W of Njtpk
RouteInterstate 78
CountyEssex County
StateNew Jersey
Coordinates40.70995, -74.19463
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length240 ft (73.2 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,060 (2023)
Projected traffic101,350 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-78 WB Ramps over Conrail MP 11.25 built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-78 WB Ramps over Conrail MP 11.25 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-78 WB Ramps over Conrail MP 11.25 carry?

About 83,060 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-78 WB Ramps over Conrail MP 11.25?

The structure is 240 ft (73.2 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns I-78 WB Ramps over Conrail MP 11.25?

It is owned by the State Highway Agency.