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SR 104 Westhalf over Hood Canal

Jefferson County, Washington · rated Poor in the 2025 National Bridge Inventory

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

SR 104 Westhalf over Hood Canal in Jefferson County, Washington, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1982 and reconstructed in 2009, making it 43 years old at the 2025 inventory.
It carries about 18,159 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 5 of the 97 inventoried bridges in Jefferson County rated poor (5.2%); 5 (5.2%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
SR 104 over Hood Canal	2007	18,159	Fair
SR 20 over Ped Trail	1956	17,453	Good
US 101 over Salmon Creek	1986	13,724	Good
US 101 over Snow Creek	1986	13,724	Good
SR 19 over Chimacum Creek	1916	8,718	Fair
SR 104 over Quilcene-chimakum Rd	1964	8,469	Good