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Interstate 405 over Pacific Avenue

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

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

Interstate 405 over Pacific Avenue in Los Angeles County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1963 and reconstructed in 1996, making it 62 years old at the 2025 inventory.
It carries about 279,000 vehicles a day (traffic count year 2019).
Its listed owner is the state highway agency.
It is one of 1,252 of the 3,549 inventoried bridges in Los Angeles County rated fair (35.3%); 94 (2.6%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous concrete multiple box beam
Length	about 204 ft
Location	07-la-405-6.70-lbch
NBI structure number	53 1207
Condition class	Fair

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