I-78
I-78 in 2.2 MI W Of Njtpk Exit 14, Essex County, New Jersey received a condition grade of C (57/100). Built in 1972, the bridge carries 170K vehicles daily on I-78 over Frelnghysen Av RR Ditch.
I-78 carries a C on the BridgeSafety Condition Score with 57/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1972 and is now 54 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I-78 carries an average daily traffic count of 169,624 vehicles, with 10 lane(s) crossing Frelnghysen Av RR Ditch. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
I-78 is a 54-year-old bridge located 2.2 MI W Of Njtpk Exit 14 in Essex County, New Jersey. The bridge carries I-78 over Frelnghysen Av RR Ditch with 10 traffic lanes, handling approximately 170K vehicles per day. Built in 1972 and reconstructed in 2001, the structure spans 681.8 meters.
The bridge received a Condition Grade of C (57/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-78 has a Condition Score of 57/100 (Grade C). Its deck is rated 6/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-78 was built in 1972 and reconstructed in 2001, making it 54 years old. The average bridge age in the United States is 48 years.
I-78 carries approximately 170K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 681.8 meters long and located on I-78 in 2.2 MI W Of Njtpk Exit 14, Essex County, New Jersey.
No, I-78 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I-78 is located 2.2 MI W Of Njtpk Exit 14 in Essex County, New Jersey. The bridge carries I-78 over Frelnghysen Av RR Ditch. Its coordinates are 40.708519, -74.192119. It is maintained by State Highway Agency.
I-78 carries I-78 over Frelnghysen Av RR Ditch. The bridge is 681.8 meters long and was built in 1972, with reconstruction in 2001.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.