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David Williamson Flickwir (1852-1935) was a lawyer and railroad engineering contractor. His company built one of the world's largest concrete bridges, the Tunkhannock Viaduct. Flickwir was born in Philadelphia, Pennsylvania, on September 26, 1852, and entered railroad work in 1879 as a construction engineer on the Shenandoah Valley Railroad. In 1883, he was made engineer and superintendent of that road, two years after moving to Roanoke, Virginia. In 1890, he was appointed general superintendent of the Eastern General Division of the Norfolk and Western Railroad, and served in that capacity until February 1, 1895, when he resigned. Starting in 1896, he engaged in general contracting work. By 1906, he was wealthy enough to commission a grand house in the Colonial Revival style. The house helped set architectural trends in the city: “The great history books on Roanoke all pay homage to this structure,” said Kent Chrisman of the Roanoke Historical Society. In 2005, Jefferson College of Health Sciences renovated the house for use as its admissions and financial-aid office and renamed it "Fralin House".〔 In 1908, Flickwir, who had formed his own company, David W. Flickwir, received a contract from the Delaware, Lackawanna & Western Railroad (DL&W) to build Section 3 of the Lackawanna Cut-off, a new rail line that would run from northwestern New Jersey to northeastern Pennsylvania. Flickwir's construction company would build between mileposts 50.2 to 55.8, as measured from the DL&W's Hoboken Terminal, a stretch that required the construction of Wharton Fill, Roseville Tunnel, Colby Cut, and the eastern half of the mammoth Pequest Fill. It was during the construction of the so-called New Jersey Cut-Off that Flickwir worked with Lincoln Bush, the Lackawanna's chief engineer, a man who he would hire away from the DL&W and form a business partnership, Flickwir & Bush, after the completion of the project in late 1911.〔The Delaware, Lackawanna and Western Railroad in the Twentieth Century, Volume 1, Thomas T. Taber and Thomas T. Taber III, Lycoming Publishing Co., 1978.〕 From 1912 to 1915, Flickwir & Bush built the DL&W's Tunkhannock Viaduct, a concrete deck arch bridge that spans the Tunkhannock Creek in Nicholson, Pennsylvania, in the United States, as part of the Nicholson Cutoff project. Measuring long and towering when measured from the creek bed ( from bedrock), it was the largest concrete structure in the world when completed in 1915 and still merited "the title of largest concrete bridge in America, if not the world" 50 years later. Flickwir married the former Mildred Elder, the nursing superintendent at Roanoke Hospital (today known as Carilion Roanoke Memorial Hospital). Over the 1920s and 1930s, he gave hundreds of thousands of dollars to the hospital, which dubbed him its "Greatest Benefactor". A 1925 building he funded, the Flickwir Memorial Unit, still stands.〔 Flikwir died in 1935 after a short illness at age 83.〔 ==Gallery== image:Tunkhannock Viaduct under construction 1914.JPG|Tunkhannock Viaduct under construction in 1914 File:Tunkhannock viaduct (CJ Allen, Steel Highway, 1928).jpg|Tunkhannock viaduct, 1928) Image:TunkhannockViaductFromAir.jpg|Tunkhannock Viaduct from a commercial airline flight from Ottawa to Philadelphia image:Nicholson-Viaduct.JPG|Tunkhannock Viaduct, as seen from Route 11 image:Compared to the town.JPG|Viaduct over Nicholson, PA 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「David W. Flickwir」の詳細全文を読む スポンサード リンク
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