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SR 20 Extension over Friday Hbr-san Juan Chan

San Juan County, Washington · rated Good in the 2025 National Bridge Inventory

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

SR 20 Extension over Friday Hbr-san Juan Chan in San Juan County, Washington, 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 2005, making it 20 years old at the 2025 inventory.
It carries about 2,587 vehicles a day (traffic count year 2010).
Its listed owner is the state highway agency.
It is one of 4 of the 13 inventoried bridges in San Juan County rated good (30.8%); 0 (0.0%) 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

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

Bridge	Built	Vehicles/day	Condition
SR 20 Extension over Friday Hbr-san Juan Chan	1968	2,587	Fair
SR 20 over Harney Channel	1959	2,322	Good
SR 20 over Harney Channel	1979	2,150	Fair
Deer Harbor Road over Crow Valley Drainage	2001	1,826	Fair
Orcas to Olga road over Cascade Creek	1921	1,607	Fair
Extension of SR 20 over Upright Channel	1981	1,349	Fair