BridgeSafety
Los Angeles County, CA · Structure #53 1660

INTERSTATE 605

INTERSTATE 605 in 07-La-605-R9.55-Sfsp, Los Angeles County, California received a condition grade of B (72/100). Built in 1965, the bridge carries 230K vehicles daily on INTERSTATE 605 over I 5 & Connector Ramps.

B
72/100
72
Condition Score
230K
Daily Traffic
1965
Year Built
172.9m
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 605
Crosses Over
I 5 & Connector Ramps
State
California
County
Los Angeles County
Location
07-La-605-R9.55-Sfsp
Year Built
1965
Reconstructed
1996
Age
61 years
Daily Traffic
230,000
Lanes
10
Length
172.9 meters
Owner
State Highway Agency
Structure Number
53 1660

About This Bridge

INTERSTATE 605 is a 61-year-old bridge located 07-La-605-R9.55-Sfsp in Los Angeles County, California. The bridge carries INTERSTATE 605 over I 5 & Connector Ramps with 10 traffic lanes, handling approximately 230K vehicles per day. Built in 1965 and reconstructed in 1996, the structure spans 172.9 meters.

The bridge received a Condition Grade of B (72/100) 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-R9.55-Sfsp, Los Angeles County, California

33.940311, -118.096822

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Frequently Asked Questions

INTERSTATE 605 has a Condition Score of 72/100 (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 1965 and reconstructed in 1996, making it 61 years old. The average bridge age in the United States is 48 years.

INTERSTATE 605 carries approximately 230K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 172.9 meters long and located on INTERSTATE 605 in 07-La-605-R9.55-Sfsp, 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-R9.55-Sfsp in Los Angeles County, California. The bridge carries INTERSTATE 605 over I 5 & Connector Ramps. Its coordinates are 33.940311, -118.096822. It is maintained by State Highway Agency.

INTERSTATE 605 carries INTERSTATE 605 over I 5 & Connector Ramps. The bridge is 172.9 meters long and was built in 1965, 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.