BridgeSafety
Los Angeles County, CA · Structure #53 1761

STATE ROUTE 91

STATE ROUTE 91 in 07-La-091-R14.10-Lbch, Los Angeles County, California received a condition grade of B (75/100). Built in 1970, the bridge carries 273K vehicles daily on STATE ROUTE 91 over Downey AVE.

B
75/100
75
Condition Score
273K
Daily Traffic
1970
Year Built
46.9m
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
STATE ROUTE 91
Crosses Over
Downey AVE
State
California
County
Los Angeles County
Location
07-La-091-R14.10-Lbch
Year Built
1970
Age
56 years
Daily Traffic
273,000
Lanes
11
Length
46.9 meters
Owner
State Highway Agency
Structure Number
53 1761

About This Bridge

STATE ROUTE 91 is a 56-year-old bridge located 07-La-091-R14.10-Lbch in Los Angeles County, California. The bridge carries STATE ROUTE 91 over Downey AVE with 11 traffic lanes, handling approximately 273K vehicles per day. Built in 1970, the structure spans 46.9 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-R14.10-Lbch, Los Angeles County, California

33.876828, -118.151567

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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 273K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 46.9 meters long and located on STATE ROUTE 91 in 07-La-091-R14.10-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-R14.10-Lbch in Los Angeles County, California. The bridge carries STATE ROUTE 91 over Downey AVE. Its coordinates are 33.876828, -118.151567. It is maintained by State Highway Agency.

STATE ROUTE 91 carries STATE ROUTE 91 over Downey AVE. The bridge is 46.9 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.