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State Route 1 NB over WB 10-nb 1 Connector Rmp

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

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

State Route 1 NB over WB 10-nb 1 Connector Rmp 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 1979, making it 46 years old at the 2025 inventory.
It carries about 7,000 vehicles a day (traffic count year 2017).
Its listed owner is the state 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	Continuous prestressed concrete multiple box beam
Length	about 430 ft
Location	07-la-001-r34.67-smca
NBI structure number	53 2649S
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