BridgeSafety
Los Angeles County, CA · Structure #53 1403

INTERSTATE 405

INTERSTATE 405 in 07-La-405-27.08-Clc, Los Angeles County, California received a condition grade of B (70/100). Built in 1960, the bridge carries 278K vehicles daily on INTERSTATE 405 over Sawtelle BLVD.

B
70/100
70
Condition Score
278K
Daily Traffic
1960
Year Built
43.9m
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
Sawtelle BLVD
State
California
County
Los Angeles County
Location
07-La-405-27.08-Clc
Year Built
1960
Reconstructed
2009
Age
66 years
Daily Traffic
278,000
Lanes
12
Length
43.9 meters
Owner
State Highway Agency
Structure Number
53 1403

About This Bridge

INTERSTATE 405 is a 66-year-old bridge located 07-La-405-27.08-Clc in Los Angeles County, California. The bridge carries INTERSTATE 405 over Sawtelle BLVD with 12 traffic lanes, handling approximately 278K vehicles per day. Built in 1960 and reconstructed in 2009, the structure spans 43.9 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-405-27.08-Clc, Los Angeles County, California

34.001308, -118.409467

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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 1960 and reconstructed in 2009, making it 66 years old. The average bridge age in the United States is 48 years.

INTERSTATE 405 carries approximately 278K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 43.9 meters long and located on INTERSTATE 405 in 07-La-405-27.08-Clc, 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-405-27.08-Clc in Los Angeles County, California. The bridge carries INTERSTATE 405 over Sawtelle BLVD. Its coordinates are 34.001308, -118.409467. It is maintained by State Highway Agency.

INTERSTATE 405 carries INTERSTATE 405 over Sawtelle BLVD. The bridge is 43.9 meters long and was built in 1960, with reconstruction in 2009.

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.