BridgeSafety
Los Angeles County, CA · Structure #53 1177

INTERSTATE 405

INTERSTATE 405 in 07-La-405-15.98-Tor, Los Angeles County, California received a condition grade of B (71/100). Built in 1962, the bridge carries 269K vehicles daily on INTERSTATE 405 over Yukon Avenue.

B
71/100
71
Condition Score
269K
Daily Traffic
1962
Year Built
19.8m
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
Yukon Avenue
State
California
County
Los Angeles County
Location
07-La-405-15.98-Tor
Year Built
1962
Reconstructed
1992
Age
64 years
Daily Traffic
269,000
Lanes
10
Length
19.8 meters
Owner
State Highway Agency
Structure Number
53 1177

About This Bridge

INTERSTATE 405 is a 64-year-old bridge located 07-La-405-15.98-Tor in Los Angeles County, California. The bridge carries INTERSTATE 405 over Yukon Avenue with 10 traffic lanes, handling approximately 269K vehicles per day. Built in 1962 and reconstructed in 1992, the structure spans 19.8 meters.

The bridge received a Condition Grade of B (71/100) 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-405-15.98-Tor, Los Angeles County, California

33.867303, -118.334781

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Frequently Asked Questions

INTERSTATE 405 has a Condition Score of 71/100 (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 1962 and reconstructed in 1992, making it 64 years old. The average bridge age in the United States is 48 years.

INTERSTATE 405 carries approximately 269K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 19.8 meters long and located on INTERSTATE 405 in 07-La-405-15.98-Tor, 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-405-15.98-Tor in Los Angeles County, California. The bridge carries INTERSTATE 405 over Yukon Avenue. Its coordinates are 33.867303, -118.334781. It is maintained by State Highway Agency.

INTERSTATE 405 carries INTERSTATE 405 over Yukon Avenue. The bridge is 19.8 meters long and was built in 1962, with reconstruction in 1992.

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.