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Commerce Ctr Dr over Castaic Crk / Hasley Ch

Los Angeles County, California · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Commerce Ctr Dr over Castaic Crk / Hasley Ch in Los Angeles County, California, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1998, making it 27 years old at the 2025 inventory.
It carries about 12,976 vehicles a day (traffic count year 2012).
Its listed owner is the county highway agency.
It is one of 2,203 of the 3,549 inventoried bridges in Los Angeles County rated good (62.1%); 94 (2.6%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Concrete stringer or multi-beam girder
Length	about 564 ft
Location	0.2MI W/o Henry Mayo Dr
NBI structure number	53C1985
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.

Bridge	Built	Vehicles/day	Condition
State Route 60 over Prospectors Road	1970	339,000	Good
Route 60 over E60-n57 Connector Ramp	1970	339,000	Good
Interstate 110 over Washington Blvd	1954	300,000	Good
Interstate 110 over 37TH Street	1996	300,000	Good
Interstate 110 over Martin Luther King Jr Bl	1956	300,000	Good
Interstate 110 over Slauson Ave & BNSF Ry	1996	300,000	Poor