Washington State Route 433

State Route 433
Oregon Way
SR 433 highlighted in red
Route information
Maintained by WSDOT
Length	0.94 mi[1] (1,510 m)
Existed	1964–present
Major junctions
South end	To US 30 in Rainier, OR
North end	SR 432 in Longview
Location
Country	United States
State	Washington
Counties	Cowlitz
Highway system
State highways in Washington Interstate US State Scenic Pre-1964 1964 renumbering Former
← SR 432 → SR 500

State Route 433 (SR 433) is a 0.94-mile (1.51 km) long state highway located entirely in Cowlitz County, Washington, United States. The highway begins midway across the Columbia River on the National Register of Historic Places listed Lewis and Clark Bridge and travels north to SR 432 in Longview. Prior to the 1964 state highway renumbering the highway was part of Primary State Highway 12. Between 1964 and 1972, the highway's designation was changed from State Route 833 to the current SR 433.