State Route 189

California State Route 189

California 189 is a 5.57-mile long state highway that connects California 18 with California 173 via the unincorporated communities of Twin Peaks, Agua Fria, Blue Jay, and Lake Arrowhead in the San Bernardino Mountains. Twin Peaks is located near Strawberry Peak, which is mentioned in the legislative definition of California 189). A winding and twisting route, California 189 follows portions of Lake Gregory Drive, Squirrel Inn Road, and Lakes Edge Road. At Agua Fria, which is the approximate midpoint of the state route, a connecting road (Daley Canyon Road) links California 189 with California 18 (Rim of the World Highway). Daley Canyon Road provides a more direct and slightly faster route for through traffic heading from the California 189 corridor downhill on California 18 south to San Bernardino. Trailblazers on Daley Canyon Road mark it as a link to California 18.

This route appears to have been unchanged since its inception. According to Daniel Faigin's California Highways site, the California 189 designation was created in 1933 and was allowed to keep its numerical designation during the many changes made to the the California state route system in 1964. So this short state route corridor in the San Bernardino Mountains has been known as 189 for about 80 years as of this writing, and no realignments have occurred along its route to date1 - no "R" mileage is found along this route, unlike routes that have been realigned through the years). Only one bridge structure is on the route: Little Bear Creek culvert at postmile 4.08, which was built in 1967.

References:

  1. Caltrans District 8 Route Log. http://www.dot.ca.gov/hq/structur/strmaint/brlog/logpdf/logd08.pdf

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Page Updated Sunday October 14, 2012.