BridgeSafety
Middlesex County, NJ · Structure #361297T

GSP

GSP in 0.95 MI North Of US 9, Middlesex County, New Jersey received a condition grade of C (56/100). Built in 1948, the bridge carries 127K vehicles daily on GSP over Njtpk.

C
56/100
56
Condition Score
127K
Daily Traffic
1948
Year Built
73.5m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureFair
6/9

Beams, girders, and trusses that support the deck

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
GSP
Crosses Over
Njtpk
State
New Jersey
County
Middlesex County
Location
0.95 MI North Of US 9
Year Built
1948
Reconstructed
2015
Age
78 years
Daily Traffic
127,000
Lanes
7
Length
73.5 meters
Owner
State Toll Authority
Structure Number
361297T

About This Bridge

GSP is a 78-year-old bridge located 0.95 MI North Of US 9 in Middlesex County, New Jersey. The bridge carries GSP over Njtpk with 7 traffic lanes, handling approximately 127K vehicles per day. Built in 1948 and reconstructed in 2015, the structure spans 73.5 meters.

The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 6/9 (fair).

This bridge is owned and maintained by State Toll Authority.

Location Map

0.95 MI North Of US 9, Middlesex County, New Jersey

40.540783, -74.308536

Open in Google Maps →

Frequently Asked Questions

GSP has a Condition Score of 56/100 (Grade C). Its deck is rated 7/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

GSP was built in 1948 and reconstructed in 2015, making it 78 years old. The average bridge age in the United States is 48 years.

GSP carries approximately 127K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 73.5 meters long and located on GSP in 0.95 MI North Of US 9, Middlesex County, New Jersey.

No, GSP is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

GSP is located 0.95 MI North Of US 9 in Middlesex County, New Jersey. The bridge carries GSP over Njtpk. Its coordinates are 40.540783, -74.308536. It is maintained by State Toll Authority.

GSP carries GSP over Njtpk. The bridge is 73.5 meters long and was built in 1948, with reconstruction in 2015.

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.