BridgeSafety
Los Angeles County, CA · Structure #53 2973R

INTERSTATE 405 NB

INTERSTATE 405 NB in 07-La-405-39.05-La, Los Angeles County, California received a condition grade of B (78/100). Built in 2008, the bridge carries 139K vehicles daily on INTERSTATE 405 NB over Greenleaf ST.

B
78/100
78
Condition Score
139K
Daily Traffic
2008
Year Built
32.3m
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 NB
Crosses Over
Greenleaf ST
State
California
County
Los Angeles County
Location
07-La-405-39.05-La
Year Built
2008
Age
18 years
Daily Traffic
139,000
Lanes
3
Length
32.3 meters
Owner
State Highway Agency
Structure Number
53 2973R

About This Bridge

INTERSTATE 405 NB is a 18-year-old bridge located 07-La-405-39.05-La in Los Angeles County, California. The bridge carries INTERSTATE 405 NB over Greenleaf ST with 3 traffic lanes, handling approximately 139K vehicles per day. Built in 2008, the structure spans 32.3 meters.

The bridge received a Condition Grade of B (78/100) 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-405-39.05-La, Los Angeles County, California

34.151914, -118.467597

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Frequently Asked Questions

INTERSTATE 405 NB has a Condition Score of 78/100 (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 NB was built in 2008, making it 18 years old. The average bridge age in the United States is 48 years.

INTERSTATE 405 NB carries approximately 139K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 32.3 meters long and located on INTERSTATE 405 NB in 07-La-405-39.05-La, Los Angeles County, California.

No, INTERSTATE 405 NB 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 NB is located 07-La-405-39.05-La in Los Angeles County, California. The bridge carries INTERSTATE 405 NB over Greenleaf ST. Its coordinates are 34.151914, -118.467597. It is maintained by State Highway Agency.

INTERSTATE 405 NB carries INTERSTATE 405 NB over Greenleaf ST. The bridge is 32.3 meters long and was built in 2008.

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.