BridgeSafety
Los Angeles County, CA · Structure #53 1676

ROUTE 170

ROUTE 170 in 07-La-170-R19.30-La, Los Angeles County, California received a condition grade of B (66/100). Built in 1968, the bridge carries 175K vehicles daily on ROUTE 170 over Strathern Street.

B
66/100
66
Condition Score
175K
Daily Traffic
1968
Year Built
44.2m
Length

Component Ratings

DeckFair
5/9

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
ROUTE 170
Crosses Over
Strathern Street
State
California
County
Los Angeles County
Location
07-La-170-R19.30-La
Year Built
1968
Reconstructed
2007
Age
58 years
Daily Traffic
175,000
Lanes
8
Length
44.2 meters
Owner
State Highway Agency
Structure Number
53 1676

About This Bridge

ROUTE 170 is a 58-year-old bridge located 07-La-170-R19.30-La in Los Angeles County, California. The bridge carries ROUTE 170 over Strathern Street with 8 traffic lanes, handling approximately 175K vehicles per day. Built in 1968 and reconstructed in 2007, the structure spans 44.2 meters.

The bridge received a Condition Grade of B (66/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

07-La-170-R19.30-La, Los Angeles County, California

34.215547, -118.408275

Open in Google Maps →

Frequently Asked Questions

ROUTE 170 has a Condition Score of 66/100 (Grade B). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

ROUTE 170 was built in 1968 and reconstructed in 2007, making it 58 years old. The average bridge age in the United States is 48 years.

ROUTE 170 carries approximately 175K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 44.2 meters long and located on ROUTE 170 in 07-La-170-R19.30-La, Los Angeles County, California.

No, ROUTE 170 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

ROUTE 170 is located 07-La-170-R19.30-La in Los Angeles County, California. The bridge carries ROUTE 170 over Strathern Street. Its coordinates are 34.215547, -118.408275. It is maintained by State Highway Agency.

ROUTE 170 carries ROUTE 170 over Strathern Street. The bridge is 44.2 meters long and was built in 1968, with reconstruction in 2007.

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.