BridgeSafety
Los Angeles County, CA · Structure #53 2128

STATE ROUTE 91

STATE ROUTE 91 in 07-La-091-R13.86-Lbch, Los Angeles County, California received a condition grade of B (75/100). Built in 1970, the bridge carries 270K vehicles daily on STATE ROUTE 91 over Obispo AVE.

B
75/100
75
Condition Score
270K
Daily Traffic
1970
Year Built
35.1m
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
STATE ROUTE 91
Crosses Over
Obispo AVE
State
California
County
Los Angeles County
Location
07-La-091-R13.86-Lbch
Year Built
1970
Age
56 years
Daily Traffic
270,000
Lanes
12
Length
35.1 meters
Owner
State Highway Agency
Structure Number
53 2128

About This Bridge

STATE ROUTE 91 is a 56-year-old bridge located 07-La-091-R13.86-Lbch in Los Angeles County, California. The bridge carries STATE ROUTE 91 over Obispo AVE with 12 traffic lanes, handling approximately 270K vehicles per day. Built in 1970, the structure spans 35.1 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-091-R13.86-Lbch, Los Angeles County, California

33.876714, -118.155847

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Frequently Asked Questions

STATE ROUTE 91 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.

STATE ROUTE 91 was built in 1970, making it 56 years old. The average bridge age in the United States is 48 years.

STATE ROUTE 91 carries approximately 270K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 35.1 meters long and located on STATE ROUTE 91 in 07-La-091-R13.86-Lbch, Los Angeles County, California.

No, STATE ROUTE 91 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

STATE ROUTE 91 is located 07-La-091-R13.86-Lbch in Los Angeles County, California. The bridge carries STATE ROUTE 91 over Obispo AVE. Its coordinates are 33.876714, -118.155847. It is maintained by State Highway Agency.

STATE ROUTE 91 carries STATE ROUTE 91 over Obispo AVE. The bridge is 35.1 meters long and was built in 1970.

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.