Arroyo Simi Overhead

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Arroyo Simi Overhead
Coordinates 34°17′13″N118°51′53″W / 34.28694°N 118.86472°W / 34.28694; -118.86472 Coordinates: 34°17′13″N118°51′53″W / 34.28694°N 118.86472°W / 34.28694; -118.86472
Carries 4 lanes of California 118.svg SR 118
Crosses Arroyo Simi
Locale Moorpark, California
Owner Caltrans
Maintained by Caltrans
Characteristics
Design Dual-span viaducts
Material Concrete
Total length 538 metres (0.334 mi)
Width 14 metres (46 ft)
Clearance above 13 metres (43 ft)
History
Constructed by C. C. Myers (bridges)
C. A. Rasmussen (roadwork) [1]
Construction start April 19, 1991 [2]
Opened October 15, 1993;24 years ago (October 15, 1993) [3] [4]
Replaces Los Angeles Avenue [5] [6]

The Arroyo Simi Overhead is a tall viaduct in Ventura County, California, that carries State Route 118 (SR 118, Ronald Reagan Freeway) over the Arroyo Simi. At the south end of the bridge, the freeway continues as SR 23. [7] The state routes continue as highways to the west and north respectively. The entire connector, completed in 1993, is 2.2 miles (3.5 km) long and includes seven bridges. [2] [8]

Viaduct A multiple span bridge crossing an extended lower area

A viaduct is a bridge composed of several small spans for crossing a valley, dry or wetland, or forming an overpass or flyover.

Ventura County, California County in California, United States

Ventura County is a county in the southern part of the U.S. state of California. As of the 2010 census, the population was 823,318. The largest city is Oxnard, and the county seat is the city of Ventura.

California State Route 118 highway in California

State Route 118 is a state highway in the U.S. state of California that begins running west to east through Ventura and Los Angeles counties in southern California. It travels from the eastern edge of Ventura immediately northwest of Saticoy, then through Saticoy, in Ventura County east to Lake View Terrace in Los Angeles. Route 118 crosses the Santa Susana Pass and the northern rim of the San Fernando Valley along its route.

The railroad line between Simi Valley and Moorpark together with a local road also pass under the two main 100-foot-high (30 m) bridges that separately carry the traffic in each direction, each more than 1,400 feet (430 m) long. [1] [2] A wetlands was created as a mitigation measure for the impacts of the construction on the Arroyo Simi. Nearby Moorpark College manages and maintains the site which is used as a nature center by the environmental science program. [9]

Coast Line (UP) railroad line in California along the Pacific coast

The Coast Line is a railroad line between Burbank, California and the San Francisco Bay Area, roughly along the Pacific Coast. It is the shortest rail route from Los Angeles to the Bay Area.

Moorpark College Community college in Ventura County, California

Moorpark College is a public community college in Moorpark, California. It was established in 1967 with enrollment of 2,500 students and enrolled 14,254 students in 2014. An Exotic Animal Training and Management center houses over 200 animals on campus.

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Moorpark, California City in California in the United States

Moorpark is a city in Ventura County in Southern California. Moorpark was founded in 1900 when the application for the Moorpark Post Office was approved and Inocencio C. Villegas was named Moorpark's first postmaster on August 8 of that year. The townsite of Moorpark was owned and surveyed by Robert W. Poindexter and his wife, Madeline. As of 2006, Moorpark was one of the fastest-growing cities in Ventura County. The town grew from just over 4,000 citizens in 1980 to over 25,000 citizens by 1990. The population was 34,421 at the 2010 census, up from 31,415 at the 2000 census.

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California State Route 126 highway in California

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The Figueroa Street Tunnels are a set of four four-lane tunnels that carry northbound traffic on State Route 110 through Elysian Park in Los Angeles, California, United States. From south to north, the four tunnels measure 755, 461, 130, and 405 feet in length, 46.5 feet in width, and 28.3 ft in height. The north three tunnels opened in 1931 as a bypass to a section of North Broadway; the southernmost opened in 1935, connecting to Figueroa Street downtown. In 1937, a viaduct, known as the Figueroa Street Viaduct, was constructed to the north of the tunnels, dedicating the tunnels to 4 lanes of eastward traffic and the viaduct to 4 lanes of westward traffic once the viaduct was opened in 1943. Ever since the opening of the tunnels, connections have been added to the street, most notably in 1940 to the Arroyo Seco Parkway and in 1953 to the Four Level Interchange.

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VCTC Intercity is a public transit agency providing bus service in Ventura County, California. It provides an intercity bus service between the cities of Ventura, Oxnard, Camarillo, Thousand Oaks, Moorpark, Santa Paula, and Fillmore in Ventura County, and to communities in neighboring Los Angeles and Santa Barbara counties. The agency is part of the Ventura County Transportation Commission, a governmental body that oversees transportation planning and funding in Ventura County.

The transportation system of Greater Los Angeles includes 7 commuter rail lines, amtrak service, a subway system within the city of Los Angeles, and numerous highways. Los Angeles is integrated into the Interstate Highway System by Interstate 5, Interstate 10, and Interstate 15, along with numerous auxiliary highways and state routes. Bus service is also included locally within the area by numerous local government agencies. Subways and light commuter rail lines are present within Los Angeles proper, allowing mass transportation within the city. Commuter railroads are run by Metrolink. AMTRAK has numerous railroad lines that connect Los Angeles to the rest of the country.

Simi Valley

Simi Valley is a synclinal valley in Southern California in the United States. It is an enclosed or hidden valley surrounded by mountains and hills. It is connected to the San Fernando Valley to the east by the Santa Susana Pass and the 118 freeway, and in the west the narrows of the Arroyo Simi and the Reagan Freeway connect to Moorpark and Ventura, California. The relatively flat bottom of the valley contains soils formed from shales, sandstones, and conglomerates eroded from the surrounding hills of the Santa Susana Mountains to the north, which separate Simi Valley from the Santa Clara River Valley, and the Simi Hills.

Tierra Rejada Park

Tierra Rejada Park is a 150-acre park located in the northern Simi Hills foothills, in southwestern Simi Valley city near Moorpark, in Ventura County, California.

Calleguas Creek is the terminus of a river system in Ventura County, California. It drains the Calleguas Creek Watershed, an area 30 miles long and 14 miles wide, which includes Simi Valley, Moorpark, Camarillo and a large portion of Thousand Oaks. Tributaries include Arroyo Simi, Arroyo Santa Rosa, Revolon Slough and Arroyo Conejo. It discharges into the Pacific Ocean, the Santa Barbara Channel, at Mugu Lagoon on Naval Base Ventura County, just north of Point Mugu, where the Santa Monica Mountains meet the ocean, marking the southern/eastern boundary of the Oxnard Plain.

References

  1. 1 2 Maiella Jr., James (January 21, 1993). "Rains Delay Completion of Freeway Connector". Los Angeles Times .
  2. 1 2 3 Spencer, Gerry Brailo (April 20, 1991). "Long-Awaited Freeway Connector Project Starts: Transportation: The route will bridge the gap between the Moorpark and Simi Valley freeways and reduce Los Angeles Avenue congestion". Los Angeles Times .
  3. Sneiderman, Phil (August 20, 1993). "Freeway Connector Opening Due Oct. 15". Los Angeles Times .
  4. Sneiderman, Phil (October 9, 1993). "Westbound Freeway Linkage Opened". Los Angeles Times .
  5. Catania, Sara (October 16, 1993). "Connector Is Welcomed by Officials, Commuters". Los Angeles Times .
  6. Catania, Sara; Reed, Mack (October 16, 1993). "Test Drives Show the New Route to Be a Time Saver". Los Angeles Times .
  7. Caltrans Bridge Log 7, p. 59
  8. Willer-Allred, Michele (April 17, 2014). "Moorpark officials push for fencing on freeway connector to prevent suicides". Ventura County Star .
  9. Miller, Joanna M. (July 9, 1995). "Man-Made Wetlands' Future Starts to Dry Up: Despite initial success, biologists say a site near the Simi Valley-Moorpark freeway interchange will be choked by silt within 20 years". Los Angeles Times .