BridgeSafety
Union County, NJ · Structure #361350T

GSP

GSP in 3.2 MI North Of Nj 27, Union County, New Jersey received a condition grade of F (0/100). Built in 1947, the bridge carries 278K vehicles daily on GSP over BR Rahway River & Mains. It is classified as structurally deficient.

F
0/100
0
Condition Score
278K
Daily Traffic
1947
Year Built
6.1m
Length

Component Ratings

DeckSerious
0/9

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

SuperstructureSerious
0/9

Beams, girders, and trusses that support the deck

SubstructureSerious
0/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
GSP
Crosses Over
BR Rahway River & Mains
State
New Jersey
County
Union County
Location
3.2 MI North Of Nj 27
Year Built
1947
Reconstructed
1977
Age
79 years
Daily Traffic
278,487
Lanes
10
Length
6.1 meters
Owner
State Toll Authority
Structure Number
361350T

About This Bridge

GSP is a 79-year-old bridge located 3.2 MI North Of Nj 27 in Union County, New Jersey. The bridge carries GSP over BR Rahway River & Mains with 10 traffic lanes, handling approximately 278K vehicles per day. Built in 1947 and reconstructed in 1977, the structure spans 6.1 meters.

The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). 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 Toll Authority.

Location Map

3.2 MI North Of Nj 27, Union County, New Jersey

40.612194, -74.311889

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Frequently Asked Questions

GSP has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.

GSP was built in 1947 and reconstructed in 1977, making it 79 years old. The average bridge age in the United States is 48 years.

GSP carries approximately 278K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 6.1 meters long and located on GSP in 3.2 MI North Of Nj 27, Union County, New Jersey.

Yes, GSP 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.

GSP is located 3.2 MI North Of Nj 27 in Union County, New Jersey. The bridge carries GSP over BR Rahway River & Mains. Its coordinates are 40.612194, -74.311889. It is maintained by State Toll Authority.

GSP carries GSP over BR Rahway River & Mains. The bridge is 6.1 meters long and was built in 1947, with reconstruction in 1977.

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.