ROUTE 60
ROUTE 60 in 07-La-060-R25.45-Dmbr, Los Angeles County, California received a condition grade of B (75/100). Built in 1970, the bridge carries 339K vehicles daily on ROUTE 60 over E60-N57 Connector Ramp.
ROUTE 60 carries a B on the BridgeSafety Condition Score with 75/100. 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 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. ROUTE 60 carries an average daily traffic count of 339,000 vehicles, with 9 lane(s) crossing E60-N57 Connector Ramp. 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
ROUTE 60 is a 56-year-old bridge located 07-La-060-R25.45-Dmbr in Los Angeles County, California. The bridge carries ROUTE 60 over E60-N57 Connector Ramp with 9 traffic lanes, handling approximately 339K vehicles per day. Built in 1970, the structure spans 52.7 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
Frequently Asked Questions
ROUTE 60 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.
ROUTE 60 was built in 1970, making it 56 years old. The average bridge age in the United States is 48 years.
ROUTE 60 carries approximately 339K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 52.7 meters long and located on ROUTE 60 in 07-La-060-R25.45-Dmbr, Los Angeles County, California.
No, 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.
ROUTE 60 is located 07-La-060-R25.45-Dmbr in Los Angeles County, California. The bridge carries ROUTE 60 over E60-N57 Connector Ramp. Its coordinates are 34.021281, -117.813675. It is maintained by State Highway Agency.
ROUTE 60 carries ROUTE 60 over E60-N57 Connector Ramp. The bridge is 52.7 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.