BridgeSafety
Los Angeles County, CA · Structure #53 1140

INTERSTATE 405

INTERSTATE 405 in 07-La-405-12.73-Crsn, Los Angeles County, California received a condition grade of B (70/100). Built in 1961, the bridge carries 265K vehicles daily on INTERSTATE 405 over Figueroa Street.

B
70/100
70
Condition Score
265K
Daily Traffic
1961
Year Built
60.7m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 405
Crosses Over
Figueroa Street
State
California
County
Los Angeles County
Location
07-La-405-12.73-Crsn
Year Built
1961
Reconstructed
1999
Age
65 years
Daily Traffic
265,000
Lanes
10
Length
60.7 meters
Owner
State Highway Agency
Structure Number
53 1140

About This Bridge

INTERSTATE 405 is a 65-year-old bridge located 07-La-405-12.73-Crsn in Los Angeles County, California. The bridge carries INTERSTATE 405 over Figueroa Street with 10 traffic lanes, handling approximately 265K vehicles per day. Built in 1961 and reconstructed in 1999, the structure spans 60.7 meters.

The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

07-La-405-12.73-Crsn, Los Angeles County, California

33.854614, -118.281644

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Frequently Asked Questions

INTERSTATE 405 has a Condition Score of 70/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 405 was built in 1961 and reconstructed in 1999, making it 65 years old. The average bridge age in the United States is 48 years.

INTERSTATE 405 carries approximately 265K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 60.7 meters long and located on INTERSTATE 405 in 07-La-405-12.73-Crsn, Los Angeles County, California.

No, INTERSTATE 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.

INTERSTATE 405 is located 07-La-405-12.73-Crsn in Los Angeles County, California. The bridge carries INTERSTATE 405 over Figueroa Street. Its coordinates are 33.854614, -118.281644. It is maintained by State Highway Agency.

INTERSTATE 405 carries INTERSTATE 405 over Figueroa Street. The bridge is 60.7 meters long and was built in 1961, with reconstruction in 1999.

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.