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Vanport Bridge : ウィキペディア英語版 | Vanport Bridge
The Vanport Bridge is a four-lane continuous truss bridge that carries Interstate 376 (former Pennsylvania Route 60) across the Ohio River in Vanport Township, Pennsylvania. $10,476,268 were spent on construction of the 1,762-foot bridge over the Ohio River connecting Vanport and Potter townships, which was opened to traffic on December 23, 1968.〔Pennsylvania Road Builder, 1970, Volumes 43-44, page 50.〕 As a vital part of the Beaver Valley Expressway it was carrying near 30,000 vehicles daily in 1990.〔A Performance Audit of the PA Department of Transportation, Pursuant to Act 1981-35: Final Report.〕 In January 1990, bridge was closed for three days after corrosion and 14 cracks in welds ranging from 7 to 34 inches were discovered during routine PennDot inspection. Damage was located in the bottom truss plate holding the steel box beam in the central span.〔Vanport Bridge diagnosis, ''The Pittsburgh Press'', January 5, 1990.〕 Passenger traffic was rerouted to the Rochester–Monaca Bridge; trucks — to the Shippingport Bridge. The Vanport Bridge was reopened after no imminent danger was found with repairs and clean-up scheduled. == References ==
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「Vanport Bridge」の詳細全文を読む
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