Home › Washington › Jefferson County › Oil City Road over Cassel Creek

Oil City Road over Cassel Creek

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

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

Oil City Road over Cassel Creek in Jefferson 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 2000, making it 25 years old at the 2025 inventory.
It carries about 109 vehicles a day (traffic count year 2016).
Its listed owner is the county highway agency.
It is one of 58 of the 97 inventoried bridges in Jefferson County rated good (59.8%); 5 (5.2%) 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	Steel stringer or multi-beam girder
Length	about 154 ft
Location	3.59 SW Jct SR101
NBI structure number	086599000000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
SR 104 Westhalf over Hood Canal	1982	18,159	Poor
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