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State Route 17 over State Route 85 & Ramps

Santa Clara County, California · rated Fair in the 2025 National Bridge Inventory

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

State Route 17 over State Route 85 & Ramps in Santa Clara 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 1994, making it 31 years old at the 2025 inventory.
It carries about 101,900 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 516 of the 966 inventoried bridges in Santa Clara County rated fair (53.4%); 43 (4.5%) 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 prestressed concrete multiple box beam
Length	about 403 ft
Location	04-scl-017-9.32-lgts
NBI structure number	37 0493
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Interstate 280 over 10TH & 11TH Street	1972	250,300	Good
Interstate 280 over Coyote Creek	1972	250,300	Fair
Interstate 280 over Abandoned UP RR Row	1972	250,300	Good
Interstate 280 over San Tomas Expressway	1964	203,000	Fair
Interstate 280 over Lawrence Expwy & Creek	1965	203,000	Fair
Interstate 280 over Private Road	1969	196,000	Good