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Purdy Bridge : ウィキペディア英語版 | Purdy Bridge
The Purdy Bridge is a continuous hollow-box girder bridge that spans (with a central span of ) between Henderson Bay, Washington and Burley Lagoon, connecting Purdy, Washington, USA with the Purdy Sand Spit Park. It was built on September 29, 1937,〔http://www.historylink.org/index.cfm?DisplayPage=output.cfm&File_Id=7133〕 and at the time was the longest continuous box girder bridge in the US, at a cost of $62,000 from a design by Homer M. Hadley. At the time it was built, Purdy Bridge was the first bridge in the United States to utilize a reinforced-concrete box girder design.〔Slater p.102〕 The bridge was added to the National Register of Historic Places in 1982. ==See also== List of Registered Historic Places in Washington
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「Purdy Bridge」の詳細全文を読む
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