California State Route 167

California State Route 167
source
State	CA
Type	SR
Route	167
Length mi	18.38
Direction a	West
Terminus a	U.S. Route 395
Direction b	East
Terminus b	State Route 168
Counties	Mono County
Maint	Caltrans

California State Route 167 is a state highway in eastern Mono County connecting U.S. Route 395 near Bridgeport to State Route 168 at Green Creek near the Inyo National Forest. The route traverses high-elevation terrain adjacent to Sierra Nevada, providing regional access for communities, recreational areas, and resource lands. SR 167 serves as a link among transportation corridors used by tourism, forestry, and emergency services related to Caltrans operations and Mono County planning.

Route description

State Route 167 begins at an intersection with U.S. Route 395 southeast of Bridgeport Reservoir and proceeds eastward across the Walker River Basin and through sagebrush steppe typical of Great Basin. The two-lane roadway passes near Mono Lake, Bodie State Historic Park viewsheds, and open rangelands managed by Bureau of Land Management before ascending toward Green Creek and the southern edge of Inyo National Forest. Along its alignment SR 167 skirts public lands administered by United States Forest Service and provides access to trails linked with Pacific Crest Trail corridors and backcountry trailheads used by visitors to Yosemite National Park and John Muir Wilderness via connecting routes. The pavement accommodates commercial vehicles serving Sierra Nevada logging operations and recreational traffic bound for June Lake Loop and Bishop via SR 168. Caltrans maintains mileposts and signage consistent with state standards developed by the California Transportation Commission.

History

The alignment that became SR 167 originated as wagon roads used during the California Gold Rush era and by 19th-century ranching interests connected to Bridgeport Valley settlements. Federal land policies such as the Taylor Grazing Act influenced land use surrounding the corridor, while early 20th-century road building under the Good Roads Movement improved connectivity between Sierra Nevada foothills and eastern pinyon-juniper country. The route was designated in the mid-20th century as part of California’s numbered highway system overseen by California State Legislature statutes governing state routes, and later incorporated into maintenance inventories managed by Caltrans District 9. During the 1980s and 1990s, wildfire events tied to Mammoth Lakes fires and regional drought prompted reconstruction projects funded through state transportation programs and emergency allocations authorized by the California Governor's Office of Emergency Services. Historic mapping by the United States Geological Survey and planning documents from the Mono County Local Transportation Commission trace incremental realignments, drainage upgrades, and bridge replacements that shaped the modern corridor.

Major intersections

The highway’s primary termini and junctions include: the western terminus at U.S. Route 395 near Bridgeport; intermediate ranch and forest access roads connecting to Bodie and Antelope Valley; and the eastern terminus at State Route 168 near Green Creek leading toward Bishop and the Owens Valley. These intersections link SR 167 to broader networks including Interstate 395, county routes administered by Mono County, and recreational byways promoted by Visit California and local chambers such as the Bridgeport Chamber of Commerce. Structural elements at intersections follow design guidance from the Federal Highway Administration and California standards from the Department of Transportation.

Traffic and maintenance

Traffic volumes on SR 167 are generally low compared with urban corridors, with seasonal peaks driven by tourism to June Lake, Mammoth Lakes, and historic sites like Bodie State Historic Park. Caltrans monitors Average Annual Daily Traffic (AADT) for planning and receives input from the Mono County Transportation Commission on prioritization. Maintenance activities include snow clearance coordinated with California Highway Patrol safety advisories, chip seal or asphalt overlays funded through state pavement programs, and culvert replacements to mitigate runoff influenced by snowmelt from the Sierra Nevada snowpack monitored by the California Department of Water Resources. Emergency incident response involves coordination among Mono County Fire Department, Cal Fire, and federal agencies including the National Park Service for cross-jurisdictional events.

Future developments and upgrades

Planned improvements emphasize resilience, safety, and ecological mitigation aligned with regional planning carried out by the Mono County Local Transportation Commission and funding mechanisms through the California State Transportation Improvement Program and federal grants administered by the United States Department of Transportation. Proposed projects include pavement rehabilitation prioritized by pavement condition indices, bridge retrofit programs influenced by seismic risk assessments from the United States Geological Survey, and habitat connectivity measures developed with input from the U.S. Fish and Wildlife Service to protect species in the Sagebrush Steppe Ecosystem. Climate adaptation strategies reference research from Scripps Institution of Oceanography and state climate policy directives from the California Air Resources Board for reducing emissions associated with maintenance operations. Community engagement occurs via public hearings at Mono County Board of Supervisors meetings and environmental review under the California Environmental Quality Act.

Category:State highways in California Category:Transportation in Mono County, California