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Sullivan Road (NB) over Spokane River

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

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

Sullivan Road (NB) over Spokane River in Spokane County, Washington, 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 1973, making it 52 years old at the 2025 inventory.
It carries about 28,100 vehicles a day (traffic count year 2022).
Its listed owner is a city or municipal highway agency.
It is one of 132 of the 309 inventoried bridges in Spokane County rated fair (42.7%); 21 (6.8%) 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 stringer or multi-beam girder
Length	about 437 ft
Location	0.25 N I-90
NBI structure number	081398000000000
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 S Havana St	1957	62,117	Fair
I-90 over S Altamont St	1957	58,628	Good
I-90 over Sprague Ave	2000	51,385	Fair
I-90 over UPRR	2000	51,385	Good
I-90 over Sprague Ave	2001	51,385	Good
I-90 over UPRR	2001	51,385	Good