BridgeSafety
Los Angeles County, CA · Structure #53 1207

INTERSTATE 405

INTERSTATE 405 in 07-La-405-6.70-Lbch, Los Angeles County, California received a condition grade of B (75/100). Built in 1963, the bridge carries 279K vehicles daily on INTERSTATE 405 over Pacific Avenue.

B
75/100
75
Condition Score
279K
Daily Traffic
1963
Year Built
62.2m
Length

Component Ratings

DeckFair
6/9

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

SuperstructureGood
8/9

Beams, girders, and trusses that support the deck

SubstructureGood
8/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 405
Crosses Over
Pacific Avenue
State
California
County
Los Angeles County
Location
07-La-405-6.70-Lbch
Year Built
1963
Reconstructed
1996
Age
63 years
Daily Traffic
279,000
Lanes
11
Length
62.2 meters
Owner
State Highway Agency
Structure Number
53 1207

About This Bridge

INTERSTATE 405 is a 63-year-old bridge located 07-La-405-6.70-Lbch in Los Angeles County, California. The bridge carries INTERSTATE 405 over Pacific Avenue with 11 traffic lanes, handling approximately 279K vehicles per day. Built in 1963 and reconstructed in 1996, the structure spans 62.2 meters.

The bridge received a Condition Grade of B (75/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 8/9 (good), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

07-La-405-6.70-Lbch, Los Angeles County, California

33.820964, -118.193703

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Frequently Asked Questions

INTERSTATE 405 has a Condition Score of 75/100 (Grade B). Its deck is rated 6/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 405 was built in 1963 and reconstructed in 1996, making it 63 years old. The average bridge age in the United States is 48 years.

INTERSTATE 405 carries approximately 279K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 62.2 meters long and located on INTERSTATE 405 in 07-La-405-6.70-Lbch, 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-405-6.70-Lbch in Los Angeles County, California. The bridge carries INTERSTATE 405 over Pacific Avenue. Its coordinates are 33.820964, -118.193703. It is maintained by State Highway Agency.

INTERSTATE 405 carries INTERSTATE 405 over Pacific Avenue. The bridge is 62.2 meters long and was built in 1963, with reconstruction in 1996.

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.