BridgeSafety
Los Angeles County, CA · Structure #53 1537

INTERSTATE 605

INTERSTATE 605 in 07-La-605-R19.39-Idy, Los Angeles County, California received a condition grade of B (72/100). Built in 1964, the bridge carries 220K vehicles daily on INTERSTATE 605 over Rivergrade Oh Valley.

B
72/100
72
Condition Score
220K
Daily Traffic
1964
Year Built
171.6m
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
Rivergrade Oh Valley
State
California
County
Los Angeles County
Location
07-La-605-R19.39-Idy
Year Built
1964
Reconstructed
1995
Age
62 years
Daily Traffic
220,000
Lanes
12
Length
171.6 meters
Owner
State Highway Agency
Structure Number
53 1537

About This Bridge

INTERSTATE 605 is a 62-year-old bridge located 07-La-605-R19.39-Idy in Los Angeles County, California. The bridge carries INTERSTATE 605 over Rivergrade Oh Valley with 12 traffic lanes, handling approximately 220K vehicles per day. Built in 1964 and reconstructed in 1995, the structure spans 171.6 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-R19.39-Idy, Los Angeles County, California

34.054003, -118.004167

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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 1964 and reconstructed in 1995, making it 62 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 12 traffic lanes. It is 171.6 meters long and located on INTERSTATE 605 in 07-La-605-R19.39-Idy, 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-R19.39-Idy in Los Angeles County, California. The bridge carries INTERSTATE 605 over Rivergrade Oh Valley. Its coordinates are 34.054003, -118.004167. It is maintained by State Highway Agency.

INTERSTATE 605 carries INTERSTATE 605 over Rivergrade Oh Valley. The bridge is 171.6 meters long and was built in 1964, with reconstruction in 1995.

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.