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Wilson Creek Road over Cascade Canal

Kittitas County, Washington · rated Fair in the 2025 National Bridge Inventory

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

Wilson Creek Road over Cascade Canal in Kittitas County, Washington, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1930 and reconstructed in 1964, making it 95 years old at the 2025 inventory.
It carries about 2,578 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 145 of the 313 inventoried bridges in Kittitas County rated fair (46.3%); 35 (11.2%) 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 concrete channel beam
Length	about 23 ft
Location	00.12 N J Ronald Rd
NBI structure number	084334000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-90 over Coal Creek	1928	18,069	Fair
I-90 over Coal Creek	1956	18,069	Poor
I-90 over Animal Crossing	2010	18,069	Good
I-90 over Animal Crossing	2012	18,069	Good
I-90 over Gold Creek	2011	18,069	Fair
I-90 over Gold Creek	2012	18,069	Good