California State Route 253
Encyclopedia
State Route 253, also known as the Ukiah–Boonville Road, is a highway in Mendocino County, California
. It runs from California State Route 128
near Boonville
to U.S. Route 101
near Ukiah
, connecting the Anderson Valley
to the Ukiah Valley
across the mountains of the Mendocino Range
.
at an at-grade intersection with SR 128
. The road heads eastward through a forested and mountainous area for approximately fifteen miles before entering the Russian River
Basin, where numerous farms exist. The road ends with an interchange
with U.S. Route 101 in southern Ukiah
.
.
The entire route is in Mendocino County
.
{|class=wikitable
!Location
!Postmile
!Destinations
!Notes
|-
|Boonville
|0.00
|
|
|-
|rowspan=2|Ukiah
|17.18
|
|Interchange
|-
|17.18
|State Street – Ukiah
|Continuation beyond US 101
Mendocino County, California
Mendocino County is a county located on the north coast of the U.S. state of California, north of the greater San Francisco Bay Area and west of the Central Valley. As of the 2010 census, the population was 87,841, up from 86,265 at the 2000 census...
. It runs from California State Route 128
California State Route 128
State Route 128 is a state highway in the U.S. state of California, connecting the Mendocino coast to the Central Valley through the state's Wine Country.-Route description:...
near Boonville
Boonville, California
Boonville is a census-designated place in Mendocino County, California. It is located southwest of Ukiah, at an elevation of 381 feet . The population was 1,035 at the 2010 census.-History:...
to U.S. Route 101
U.S. Route 101
U.S. Route 101, or U.S. Highway 101, is an important north–south U.S. highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States...
near Ukiah
Ukiah, California
The average high temperature is 73.5 °F . Average low temperature is 46.1 °F . Temperatures reach 90 °F on an average of 65.6 days annually and 100 °F on an average of 14.4 days annually. Due to frequent low humidity, summer temperatures normally drop into the fifties at night. Freezing...
, connecting the Anderson Valley
Anderson Valley
Anderson Valley is a sparsely populated region in western Mendocino County in Northern California. Located approximately 100 miles north of San Francisco, the name "Anderson Valley" applies broadly to several rural, unincorporated communities in or near the alluvial terraces along Anderson Creek...
to the Ukiah Valley
Ukiah Valley, California
Ukiah Valley is a valley located in Mendocino County, California, United States. It contains the Mendocino County seat of Ukiah. It also is home to the unincorporated towns of Redwood Valley, Calpella, Potter Valley and Talmage...
across the mountains of the Mendocino Range
Mendocino Range
The Mendocino Range is one of several coastal mountain ranges which compose the Pacific Coast Range. This massive range of coastal mountains was formed during a period of coastal orogeny, millions of years ago. The Mendocino Range is a component of the California Coast Ranges of California...
.
Route description
The road begins in BoonvilleBoonville, California
Boonville is a census-designated place in Mendocino County, California. It is located southwest of Ukiah, at an elevation of 381 feet . The population was 1,035 at the 2010 census.-History:...
at an at-grade intersection with SR 128
California State Route 128
State Route 128 is a state highway in the U.S. state of California, connecting the Mendocino coast to the Central Valley through the state's Wine Country.-Route description:...
. The road heads eastward through a forested and mountainous area for approximately fifteen miles before entering the Russian River
Russian River (California)
The Russian River, a southward-flowing river, drains of Sonoma and Mendocino counties in Northern California. With an annual average discharge of approximately , it is the second largest river flowing through the nine county Greater San Francisco Bay Area with a mainstem 110 miles ...
Basin, where numerous farms exist. The road ends with an interchange
Interchange (road)
In the field of road transport, an interchange is a road junction that typically uses grade separation, and one or more ramps, to permit traffic on at least one highway to pass through the junction without directly crossing any other traffic stream. It differs from a standard intersection, at which...
with U.S. Route 101 in southern Ukiah
Ukiah, California
The average high temperature is 73.5 °F . Average low temperature is 46.1 °F . Temperatures reach 90 °F on an average of 65.6 days annually and 100 °F on an average of 14.4 days annually. Due to frequent low humidity, summer temperatures normally drop into the fifties at night. Freezing...
.
History
This route, under the name of the Ukiah-Boonville Road, has been in use as a road since at least 1897, when it was the scene of the robbery of a stage coach carrying the payrolls for a coastal lumber mill. However, it was not a state highway until 1963, when it was added to the state highway system. It was given its present number in the 1964 state highway renumbering1964 state highway renumbering (California)
In 1963 and 1964, the California Division of Highways implemented a major renumbering of its state highways. The majority of sign routes — those marked for the public — kept their numbers; the main changes were to the legislative routes, which had their numbers changed to match the sign routes...
.
Major intersections
- Note: Except where prefixed with a letter, postmiles were measured in 1964, based on the alignment as it existed at that time, and do not necessarily reflect current mileage.
The entire route is in Mendocino County
Mendocino County, California
Mendocino County is a county located on the north coast of the U.S. state of California, north of the greater San Francisco Bay Area and west of the Central Valley. As of the 2010 census, the population was 87,841, up from 86,265 at the 2000 census...
.
{|class=wikitable
!Location
!Postmile
!Destinations
!Notes
|-
|Boonville
Boonville, California
Boonville is a census-designated place in Mendocino County, California. It is located southwest of Ukiah, at an elevation of 381 feet . The population was 1,035 at the 2010 census.-History:...
|0.00
|
|
|-
|rowspan=2|Ukiah
Ukiah, California
The average high temperature is 73.5 °F . Average low temperature is 46.1 °F . Temperatures reach 90 °F on an average of 65.6 days annually and 100 °F on an average of 14.4 days annually. Due to frequent low humidity, summer temperatures normally drop into the fifties at night. Freezing...
|17.18
|
|Interchange
|-
|17.18
|State Street – Ukiah
Ukiah, California
The average high temperature is 73.5 °F . Average low temperature is 46.1 °F . Temperatures reach 90 °F on an average of 65.6 days annually and 100 °F on an average of 14.4 days annually. Due to frequent low humidity, summer temperatures normally drop into the fifties at night. Freezing...
|Continuation beyond US 101