STATE ROUTE 60
STATE ROUTE 60 in 07-La-060-R25.56-Dmbr, Los Angeles County, California received a condition grade of B (67/100). Built in 1970, the bridge carries 223K vehicles daily on STATE ROUTE 60 over Diamond Bar.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
STATE ROUTE 60 is a 56-year-old bridge located 07-La-060-R25.56-Dmbr in Los Angeles County, California. The bridge carries STATE ROUTE 60 over Diamond Bar with 11 traffic lanes, handling approximately 223K vehicles per day. Built in 1970, the structure spans 47.5 meters.
The bridge received a Condition Grade of B (67/100) 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
Frequently Asked Questions
STATE ROUTE 60 has a Condition Score of 67/100 (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.
STATE ROUTE 60 was built in 1970, making it 56 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 60 carries approximately 223K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 47.5 meters long and located on STATE ROUTE 60 in 07-La-060-R25.56-Dmbr, Los Angeles County, California.
No, STATE ROUTE 60 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 60 is located 07-La-060-R25.56-Dmbr in Los Angeles County, California. The bridge carries STATE ROUTE 60 over Diamond Bar. Its coordinates are 34.022997, -117.811775. It is maintained by State Highway Agency.
STATE ROUTE 60 carries STATE ROUTE 60 over Diamond Bar. The bridge is 47.5 meters long and was built in 1970.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.