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North Fork Bridge (California)
The North Fork Bridge is a railroad bridge over the North Fork Feather River in the Feather River Canyon, located in Plumas County, California at the approximate coordinates of 39°42'60" N, 121°28'14" W. It is the longest reinforced concrete bridge in the United States. It was built after the June 1957 groundbreaking for two rail tunnels on the Feather River Route of the Western Pacific Railroad The Western Pacific Railroad was a Class I railroad in the United States. It was formed in 1903 as an attempt to break the near-monopoly the Southern Pacific Railroad had on rail service into northern California. WP's Feather River Route dire ..., to join them in bypassing the planned new Oroville Reservoir. See also * References Bridges in Plumas County, California Railroad bridges in California Concrete bridges in California Feather River Western Pacific Railroad Union Pacific Railroad bridges {{California-bridge-struct-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Railroad Bridge
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the path underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. Designs of bridges vary depending on factors such as the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, the material used to make it, and the funds available to build it. The earliest bridges were likely made with fallen trees and stepping stones. The Neolithic people built boardwalk bridges across marshland. The Arkadiko Bridge, dating from the 13th century BC, in the Peloponnese is one of the oldest arch bridges in existence and use. Etymology The ''Oxford English Dictionary'' traces the origin of the word ''bridge' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Fork Feather River
The North Fork Feather River is a watercourse of the northern Sierra Nevada and southern Cascades in the U.S. state of California. It flows generally southwards from its headwaters near Lassen Peak to Lake Oroville, a reservoir formed by Oroville Dam in the foothills of the Sierra, where it runs into the Feather River. The river drains about of the western slope of the Sierras. By discharge, it is the largest tributary of the Feather. Course It rises at the confluence of Rice Creek and a smaller unnamed stream in the southern part of the Lassen Volcanic National Park. The river flows east, receiving Warner Creek from the left, and passes the town of Chester. It then empties into Lake Almanor, which is formed by the Canyon Dam. After leaving the dam the river cuts south into a gorge, and turns southwest to receive Butt Creek from the right. The East Branch North Fork Feather River, the North Fork's largest tributary, comes in next to Caribou Rd (40°00'49.9"N 121°13'32.4"W). I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Feather River Canyon
Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates and an example of a complex evolutionary novelty. They are among the characteristics that distinguish the extant birds from other living groups. Although feathers cover most of the bird's body, they arise only from certain well-defined tracts on the skin. They aid in flight, thermal insulation, and waterproofing. In addition, coloration helps in communication and protection. The study of feathers is called plumology (or plumage science). People use feathers in many ways that are practical, cultural, and religious. Feathers are both soft and excellent at trapping heat; thus, they are sometimes used in high-class bedding, especially pillows, blankets, and mattresses. They are also used as filling for winter clothing and outdoor bedding, such as quilted ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plumas County, California
Plumas County () is a county located in the Sierra Nevada of the U.S. state of California. As of the 2020 United States census, the population was 19,790. The county seat is Quincy, and the only incorporated city is Portola. The largest community in the county is East Quincy. The county was named for the Spanish ''Río de las Plumas'' (the Feather River), which flows through it. The county itself is also the namesake of a native moth species, '' Hadena plumasata''. History Prehistorically, the indigenous Mountain Maidu were the primary inhabitants of the area now known as Plumas County. The Maidu lived in small settlements along the edges of valleys, subsisting on roots, acorns, grasses, seeds, and occasionally fish and big game. They were decentralized and had no tribal leadership; most bands lived along waterways in and around their own valleys. Areas with high snowfall, including the Mohawk and Sierra valleys, were hunting grounds for game in the warmer months. In 18 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reinforced Concrete
Reinforced concrete, also called ferroconcrete or ferro-concrete, is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having higher tensile strength or ductility. The reinforcement is usually, though not necessarily, steel reinforcing bars (known as rebar) and is usually embedded passively in the concrete before the concrete sets. However, post-tensioning is also employed as a technique to reinforce the concrete. In terms of volume used annually, it is one of the most common engineering materials. In corrosion engineering terms, when designed correctly, the alkalinity of the concrete protects the steel rebar from corrosion. Description Reinforcing schemes are generally designed to resist tensile stresses in particular regions of the concrete that might cause unacceptable cracking and/or structural failure. Modern reinforced concrete can contain varied reinforcing materials made o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States asserts sovereignty over five Territories of the United States, major island territories and United States Minor Outlying Islands, various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's List of countries and dependencies by area, third-largest land area and List of countries and dependencies by population, third-largest population, exceeding 340 million. Its three Metropolitan statistical areas by population, largest metropolitan areas are New York metropolitan area, New York, Greater Los Angeles, Los Angel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pulga, California
Pulga is an unincorporated community in Butte County, California. It is located along the west slope of the Feather River canyon. A variant name for the community is Big Bar. History The land was once occupied by Konkow Maidu tribes. In 1885, the town of Pulga was founded by William King, a sawmill owner and railroad geologist. A post office was opened in 1906. The area had attracted gold miners and miners of vesuvianite, also known as "Pulga Jade". The town was always small, and peaked in size in the 1930s and 1940s with a few hundred people. The Western Pacific Railroad's Feather River Route line ran through the town and offered Vista Dome cars, designed and built with the scenery on this route in mind. By the late-1960s, this was no longer a train route and the mining business had dried up. In 1994, the William King estate sold the town property, on which the Mystic Valley Retreat and School of Hypnotism was erected; most of the buildings have fallen into disrepair. In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Keddie, California
Keddie is a census-designated place in Plumas County, California, United States. The population was 51 at the 2020 census. Geography According to the United States Census Bureau, the CDP has a total area of , all of it land. Keddie is the location of the Keddie Wye, a railroad junction that features bridges and tunnels. History A post office called Keddie was established in 1910, and remained in operation until 1966. The community's name honors Arthur W. Keddie, a railroad surveyor. Keddie was also the site of the Keddie murders, a notorious unsolved mass murder. Demographics Keddie first appeared as a census designated place in the 2000 U.S. Census. 2020 The 2020 United States census reported that Keddie had a population of 51. The population density was . The racial makeup of Keddie was 44 (86%) White, 0 (0%) African American, 0 (0%) Native American, 0 (0%) Asian, 0 (0%) Pacific Islander, 1 (2%) from other races, and 6 (12%) from two or more races. Hispanic or La ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Feather River Route
The Feather River Route is a rail line that was built and operated by the Western Pacific Railroad. It was constructed between 1906 and 1909, and connects the cities of Oakland, California, and Salt Lake City, Utah. The line was built to compete with the Southern Pacific Railroad, which at the time held a nearly complete monopoly on Northern California rail service. The route derives its name from its crossing of the Sierra Nevada, where it follows both the North and Middle Forks of the Feather River. The route is famous for its impressive engineering qualities and its considerable scenic value. All of the route is now owned and operated by the Union Pacific Railroad; however, the Union Pacific has transferred significant portions of the route to other lines. The portion still called the Feather River Route by the Union Pacific runs from the California Central Valley to Winnemucca, Nevada and has been divided into three subdivisions named the Sacramento, Canyon and Winnemucca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Pacific Railroad
The Western Pacific Railroad was a Class I railroad in the United States. It was formed in 1903 as an attempt to break the near-monopoly the Southern Pacific Railroad had on rail service into northern California. WP's Feather River Route directly competed with SP's portion of the Overland Route (Union Pacific Railroad), Overland Route for rail traffic between Salt Lake City/Ogden, Utah, and Oakland, California, for nearly 80 years. The Western Pacific was one of the original operators of the ''California Zephyr (1949–1970), California Zephyr'' passenger line. In 1982, the Western Pacific was acquired by the Union Pacific Corporation and it was soon merged into the Union Pacific Railroad. History The original Western Pacific Railroad (1862–1870) was established in 1862 to build the westernmost portion of the first transcontinental railroad, between Sacramento, California, Sacramento and San Jose, California, San Jose, California (later to Oakland). After completing the la ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Oroville
Lake Oroville is a reservoir formed by the Oroville Dam impounding the Feather River, located in Butte County, California, Butte County, northern California. The lake is situated northeast of the city of Oroville, California, Oroville, within the Lake Oroville State Recreation Area, in the western foothills of the Sierra Nevada. Known as the List of largest reservoirs of California, second-largest reservoir in California, Lake Oroville is treated as a keystone facility within the California State Water Project by storing water, providing flood control, recreation, freshwater releases to assist in controlling the salinity intrusion into the Sacramento-San Joaquin Delta and protecting fish and wildlife. The lake is a popular nationally renowned Bass (fish), bass fishing location, while coho salmon are stocked from the Feather River Fish Hatchery. This hatchery is a main component of Lake Oroville. History The local indigenous tribe were the Konkow Maidu (translation is 'man') wh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bridges In Plumas County, California
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the path underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. Designs of bridges vary depending on factors such as the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, the material used to make it, and the funds available to build it. The earliest bridges were likely made with fallen trees and stepping stones. The Neolithic people built boardwalk bridges across marshland. The Arkadiko Bridge, dating from the 13th century BC, in the Peloponnese is one of the oldest arch bridges in existence and use. Etymology The ''Oxford English Dictionary'' traces the origin of the word ''bridge' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
