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The Illinois Central Missouri River Bridge, also known as the IC Bridge or the East Omaha Bridge, is a rail through truss double swing bridge across the Missouri River connecting Council Bluffs, Iowa, with Omaha, Nebraska. It is owned by the Canadian National Railway and is closed to all traffic. At 521 feet long, the second version of the bridge was the longest swing bridge in the world from when it was completed in 1903 through 1915. In 1975 it was regarded as the third longest swing bridge. ==History== The East Omaha Bridge was originally built in 1893 and was owned by the Omaha Bridge and Terminal Railway Company. It was originally a single draw bridge.〔White, JT (1904) ''(The National cyclopaedia of American biography )''. Retrieved March 19, 2011.〕 Reopened in January 1904,〔(1915) ''Poor's and Moodys Consolidated Manual. Volume 2, Part 1.'' Moody Manual Company. p. 398.〕 the bridge was reconstructed again in 1908 by the American Bridge Company. In the reconstruction, there was discussion as to whether the bridge should be open to pedestrian and street traffic as well as rail traffic. Ultimately, it was limited to rail use only,〔("Omaha Bridge and Terminal Railway Company (Omaha, Neb.)" ). Nebraska State Historical Society. Retrieved 3/4/11. ''Communique regarding the East Omaha Bridge''.〕 including commuter service between the two cities. Illinois Central, or IC, started running through Omaha in January 1900, using the East Omaha Bridge for passenger trains from 1900 to 1921, and again from 1938 to 1939. In 1901, the bridge was targeted as part of a consolidation effort to bring together the street railway, electric light, and water utilities under public authority. "The plans for consolidation, in fact, include the union of interests in the cities of Omaha, South Omaha, and Council Bluffs..." Other utilities included the Omaha and Council Bluffs Street Railway and Bridge Company, the Council Bluffs Electric Light Company, and the Omaha Water Company, among others. These plans ultimately called for damming the Missouri River north of Omaha for an electricity plant; they ultimately were not actualized for this purpose,〔(1901) ''(The Street Railway Journal ),'' Volume 18. Street Railway Publishing Company. p 305.〕 and when consolidation did occur, it did not include the bridge. Today, the Iowa swing span, still from the original bridge constructed in 1893, is of wrought iron; the Nebraska swing span was built in 1904 of steel. IC first gained rights to the bridge in 1899, and gained a controlling interest in 1902. The railroad took complete control of the Omaha Bridge and Terminal Railway Company in 1903, and was later bought by the Canadian National Railway, which currently owns the bridge.〔("IC Swing Bridge" ). Bridgehunter.com. Retrieved 3/4/11.〕 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「Illinois Central Missouri River Bridge」の詳細全文を読む スポンサード リンク
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