STATE ROUTE 60
STATE ROUTE 60 in 07-La-060-R6.30-Mtbl, Los Angeles County, California received a condition grade of B (66/100). Built in 1967, the bridge carries 232K vehicles daily on STATE ROUTE 60 over Markland Drive.
STATE ROUTE 60 carries a B on the BridgeSafety Condition Score with 66/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1967 and is now 59 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 232,000 vehicles, with 8 lane(s) crossing Markland Drive. 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 59-year-old bridge located 07-La-060-R6.30-Mtbl in Los Angeles County, California. The bridge carries STATE ROUTE 60 over Markland Drive with 8 traffic lanes, handling approximately 232K vehicles per day. Built in 1967, the structure spans 40.5 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
Frequently Asked Questions
STATE ROUTE 60 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.
STATE ROUTE 60 was built in 1967, making it 59 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 60 carries approximately 232K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 40.5 meters long and located on STATE ROUTE 60 in 07-La-060-R6.30-Mtbl, 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-R6.30-Mtbl in Los Angeles County, California. The bridge carries STATE ROUTE 60 over Markland Drive. Its coordinates are 34.033097, -118.118217. It is maintained by State Highway Agency.
STATE ROUTE 60 carries STATE ROUTE 60 over Markland Drive. The bridge is 40.5 meters long and was built in 1967.
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.