INTERSTATE 5
INTERSTATE 5 in 11-Sd-005-R16.02-Sd, San Diego County, California received a condition grade of C (59/100). Built in 1961, the bridge carries 199K vehicles daily on INTERSTATE 5 over Rte 163 Connectors. 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 is a 65-year-old bridge located 11-Sd-005-R16.02-Sd in San Diego County, California. The bridge carries INTERSTATE 5 over Rte 163 Connectors with 11 traffic lanes, handling approximately 199K vehicles per day. Built in 1961 and reconstructed in 1985, the structure spans 137.2 meters.
The bridge received a Condition Grade of C (59/100) based on Federal Highway Administration inspection data. Its deck is rated 4/9 (poor), 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
INTERSTATE 5 has a Condition Score of 59/100 (Grade C). Its deck is rated 4/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is classified as structurally deficient.
INTERSTATE 5 was built in 1961 and reconstructed in 1985, making it 65 years old. The average bridge age in the United States is 48 years.
INTERSTATE 5 carries approximately 199K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 137.2 meters long and located on INTERSTATE 5 in 11-Sd-005-R16.02-Sd, San Diego County, California.
Yes, INTERSTATE 5 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 is located 11-Sd-005-R16.02-Sd in San Diego County, California. The bridge carries INTERSTATE 5 over Rte 163 Connectors. Its coordinates are 32.724375, -117.154686. It is maintained by State Highway Agency.
INTERSTATE 5 carries INTERSTATE 5 over Rte 163 Connectors. The bridge is 137.2 meters long and was built in 1961, with reconstruction in 1985.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.