Private company

Oregon, Washington and Idaho Railroad

The Oregon, Washington and Idaho Railroad built a 72.03-mile (115.92 km) rail line along the right (north) bank of the Snake River between Riparia, Washington and Lewiston, Idaho. The company was incorporated in Oregon on August 8, 1903, and began operating its completed line on July 7, 1908, as an operating subsidiary of the Union Pacific Railroad, which also controlled the Oregon Railroad and Navigation Company (OR&N) through Riparia.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

The Oregon, Washington and Idaho Railroad built a 72.03-mile (115.92 km) rail line along the right (north) bank of the Snake River between Riparia, Washington and Lewiston, Idaho. The company was incorporated in Oregon on August 8, 1903, and began operating its completed line on July 7, 1908, as an operating subsidiary of the Union Pacific Railroad, which also controlled the Oregon Railroad and Navigation Company (OR&N) through Riparia.2

Sources

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