INTERSTATE 5 NB
INTERSTATE 5 NB in 10-Sj-005-29.56, San Joaquin County, California received a condition grade of C (55/100). Built in 1968, the bridge carries 124K vehicles daily on INTERSTATE 5 NB over Brookside Calaveras Riv. 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
INTERSTATE 5 NB is a 58-year-old bridge located 10-Sj-005-29.56 in San Joaquin County, California. The bridge carries INTERSTATE 5 NB over Brookside Calaveras Riv with 8 traffic lanes, handling approximately 124K vehicles per day. Built in 1968 and reconstructed in 2017, the structure spans 158.5 meters.
The bridge received a Condition Grade of C (55/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 4/9 (poor). 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
INTERSTATE 5 NB has a Condition Score of 55/100 (Grade C). Its deck is rated 5/9, superstructure 7/9, and substructure 4/9 on the NBI scale. The bridge is classified as structurally deficient.
INTERSTATE 5 NB was built in 1968 and reconstructed in 2017, making it 58 years old. The average bridge age in the United States is 48 years.
INTERSTATE 5 NB carries approximately 124K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 158.5 meters long and located on INTERSTATE 5 NB in 10-Sj-005-29.56, San Joaquin County, California.
Yes, INTERSTATE 5 NB 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.
INTERSTATE 5 NB is located 10-Sj-005-29.56 in San Joaquin County, California. The bridge carries INTERSTATE 5 NB over Brookside Calaveras Riv. Its coordinates are 37.978528, -121.340708. It is maintained by State Highway Agency.
INTERSTATE 5 NB carries INTERSTATE 5 NB over Brookside Calaveras Riv. The bridge is 158.5 meters long and was built in 1968, with reconstruction in 2017.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.