BridgeSafety
Los Angeles County, CA · Structure #53 1632

INTERSTATE 605

INTERSTATE 605 in 07-La-605-R20.17-Bwp, Los Angeles County, California received a condition grade of B (75/100). Built in 1971, the bridge carries 220K vehicles daily on INTERSTATE 605 over Interstate 10.

B
75/100
75
Condition Score
220K
Daily Traffic
1971
Year Built
67.7m
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 605
Crosses Over
Interstate 10
State
California
County
Los Angeles County
Location
07-La-605-R20.17-Bwp
Year Built
1971
Age
55 years
Daily Traffic
220,000
Lanes
8
Length
67.7 meters
Owner
State Highway Agency
Structure Number
53 1632

About This Bridge

INTERSTATE 605 is a 55-year-old bridge located 07-La-605-R20.17-Bwp in Los Angeles County, California. The bridge carries INTERSTATE 605 over Interstate 10 with 8 traffic lanes, handling approximately 220K vehicles per day. Built in 1971, the structure spans 67.7 meters.

The bridge received a Condition Grade of B (75/100) 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-605-R20.17-Bwp, Los Angeles County, California

34.064811, -117.999978

Open in Google Maps →

Frequently Asked Questions

INTERSTATE 605 has a Condition Score of 75/100 (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 605 was built in 1971, making it 55 years old. The average bridge age in the United States is 48 years.

INTERSTATE 605 carries approximately 220K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 67.7 meters long and located on INTERSTATE 605 in 07-La-605-R20.17-Bwp, Los Angeles County, California.

No, INTERSTATE 605 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 605 is located 07-La-605-R20.17-Bwp in Los Angeles County, California. The bridge carries INTERSTATE 605 over Interstate 10. Its coordinates are 34.064811, -117.999978. It is maintained by State Highway Agency.

INTERSTATE 605 carries INTERSTATE 605 over Interstate 10. The bridge is 67.7 meters long and was built in 1971.

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.