I-78
I-78 in 0.25 MI East Of Gsp JCT, Union County, New Jersey received a condition grade of C (52/100). Built in 1976, the bridge carries 188K vehicles daily on I-78 over Conrail RR (Abandoned). It is classified as structurally deficient.
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 50-year-old bridge located 0.25 MI East Of Gsp JCT in Union County, New Jersey. The bridge carries I-78 over Conrail RR (Abandoned) with 10 traffic lanes, handling approximately 188K vehicles per day. Built in 1976, the structure spans 9.1 meters.
The bridge received a Condition Grade of C (52/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 7/9 (good), and substructure 7/9 (good). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-78 has a Condition Score of 52/100 (Grade C). Its deck is rated 0/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is classified as structurally deficient.
I-78 was built in 1976, making it 50 years old. The average bridge age in the United States is 48 years.
I-78 carries approximately 188K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 9.1 meters long and located on I-78 in 0.25 MI East Of Gsp JCT, Union County, New Jersey.
Yes, I-78 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
I-78 is located 0.25 MI East Of Gsp JCT in Union County, New Jersey. The bridge carries I-78 over Conrail RR (Abandoned). Its coordinates are 40.704911, -74.239639. It is maintained by State Highway Agency.
I-78 carries I-78 over Conrail RR (Abandoned). The bridge is 9.1 meters long and was built in 1976.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.