INTRESTATE 405
INTRESTATE 405 in 07-La-405-18.63-Rdob, Los Angeles County, California received a condition grade of B (68/100). Built in 1963, the bridge carries 261K vehicles daily on INTRESTATE 405 over Marine Avenue.
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
INTRESTATE 405 is a 63-year-old bridge located 07-La-405-18.63-Rdob in Los Angeles County, California. The bridge carries INTRESTATE 405 over Marine Avenue with 10 traffic lanes, handling approximately 261K vehicles per day. Built in 1963, the structure spans 60.7 meters.
The bridge received a Condition Grade of B (68/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTRESTATE 405 has a Condition Score of 68/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTRESTATE 405 was built in 1963, making it 63 years old. The average bridge age in the United States is 48 years.
INTRESTATE 405 carries approximately 261K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 60.7 meters long and located on INTRESTATE 405 in 07-La-405-18.63-Rdob, Los Angeles County, California.
No, INTRESTATE 405 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
INTRESTATE 405 is located 07-La-405-18.63-Rdob in Los Angeles County, California. The bridge carries INTRESTATE 405 over Marine Avenue. Its coordinates are 33.894456, -118.365925. It is maintained by State Highway Agency.
INTRESTATE 405 carries INTRESTATE 405 over Marine Avenue. The bridge is 60.7 meters long and was built in 1963.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.