STATE ROUTE 60
STATE ROUTE 60 in 07-La-060-R25.36-Dmbr, Los Angeles County, California received a condition grade of A (82/100). Built in 1970, the bridge carries 339K vehicles daily on STATE ROUTE 60 over Prospectors Road.
STATE ROUTE 60 carries an A on the BridgeSafety Condition Score with 82/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 1970 and is now 56 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. STATE ROUTE 60 carries an average daily traffic count of 339,000 vehicles, with 11 lane(s) crossing Prospectors Road. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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-R25.36-Dmbr in Los Angeles County, California. The bridge carries STATE ROUTE 60 over Prospectors Road with 11 traffic lanes, handling approximately 339K vehicles per day. Built in 1970, the structure spans 40.5 meters.
The bridge received a Condition Grade of A (82/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
STATE ROUTE 60 has a Condition Score of 82/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 8/9 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 339K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 40.5 meters long and located on STATE ROUTE 60 in 07-La-060-R25.36-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-R25.36-Dmbr in Los Angeles County, California. The bridge carries STATE ROUTE 60 over Prospectors Road. Its coordinates are 34.020772, -117.814178. It is maintained by State Highway Agency.
STATE ROUTE 60 carries STATE ROUTE 60 over Prospectors Road. The bridge is 40.5 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.
Source: FHWA National Bridge Inventory, 2026.