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Dołączył: 27 Cze 2013
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 Wysłany: Nie 23:24, 18 Sie 2013 Temat postu: Toll for new bridge is |
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Toll for new bridge is,[link widoczny dla zalogowanych]
From a spot near Ponca Street and a show bar called the Night Shift,[link widoczny dla zalogowanych], a visitor can look up at the viaduct and see the stark contrast between the undersides of the roughly 55-year-old I-895 and a 25-year-old elevated section of I-95.
On I-895,[link widoczny dla zalogowanych], the steel spans and girders are mottled with "bad" rust that eats away at the metal,[link widoczny dla zalogowanych], Williams said. On I-95,[link widoczny dla zalogowanych], which was built using improved construction methods and materials devised over the intervening 30 years,[link widoczny dla zalogowanych], "good" rust has formed an even patina that protects the steel,[link widoczny dla zalogowanych], he said.
Williams said the aim of the project is to build a new bridge that conforms to the current construction code,[link widoczny dla zalogowanych]; the code has changed over the decades to accommodate such changes as the ever-increasing size of the nation's trucks,[link widoczny dla zalogowanych].
Once it's completed,[link widoczny dla zalogowanych], the new bridge should be good for about 75 years,[link widoczny dla zalogowanych], he said. Current plans call for three years of engineering,[link widoczny dla zalogowanych], with bids to go out in spring 2014 and construction to begin late that year. He noted that the viaduct crosses over more than a dozen train tracks operated by multiple railroads,[link widoczny dla zalogowanych], all of which will expect to maintain traffic with minimal disruption.
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