BridgeSafety
Union County, NJ · Structure #2011164

I-78

I-78 in 0.3 MI East Of Gsp, Union County, New Jersey received a condition grade of B (70/100). Built in 1976, the bridge carries 188K vehicles daily on I-78 over Lehigh Valley RR.

B
70/100
70
Condition Score
188K
Daily Traffic
1976
Year Built
50.3m
Length

Component Ratings

DeckFair
6/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-78
Crosses Over
Lehigh Valley RR
State
New Jersey
County
Union County
Location
0.3 MI East Of Gsp
Year Built
1976
Reconstructed
2009
Age
50 years
Daily Traffic
188,000
Lanes
11
Length
50.3 meters
Owner
State Highway Agency
Structure Number
2011164

About This Bridge

I-78 is a 50-year-old bridge located 0.3 MI East Of Gsp in Union County, New Jersey. The bridge carries I-78 over Lehigh Valley RR with 11 traffic lanes, handling approximately 188K vehicles per day. Built in 1976 and reconstructed in 2009, the structure spans 50.3 meters.

The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

0.3 MI East Of Gsp, Union County, New Jersey

40.705331, -74.241400

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Frequently Asked Questions

I-78 has a Condition Score of 70/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-78 was built in 1976 and reconstructed in 2009, 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 11 traffic lanes. It is 50.3 meters long and located on I-78 in 0.3 MI East Of Gsp, Union 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 0.3 MI East Of Gsp in Union County, New Jersey. The bridge carries I-78 over Lehigh Valley RR. Its coordinates are 40.705331, -74.241400. It is maintained by State Highway Agency.

I-78 carries I-78 over Lehigh Valley RR. The bridge is 50.3 meters long and was built in 1976, with reconstruction in 2009.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.