| 翻訳と辞書 |
| Hastings High Bridge ： ウィキペディア英語版 |
Hastings High Bridge
The Hastings High Bridge was a continuous steel through truss bridge that spanned the Mississippi River in Hastings, Minnesota, United States. It was built in 1951 and was designed by Sverdrup and Parcel, and was demolished in late 2013 when a new bridge opened. It had been scheduled to be torn down and replaced by MNDot in 2019,〔(Minnesota Chamber of Commerce )〕 but after the I-35W bridge collapse in Minneapolis, it was re-prioritized and construction started in 2010.
==Condition==
Following the August 1, 2007 collapse of the I-35W Mississippi River bridge, the Hastings High Bridge was inspected between August 20 and August 31, 2007. An executive summary of the inspection report was released on January 15, 2008, questioning whether the bridge was capable of sustaining its 40-ton posted capacity, and calling for a load analysis to be performed immediately. Because the existing bridge was obsolete and average daily traffic exceeded 30,000 vehicles, MnDOT accelerated the new bridge project to begin in 2010. Three design-build teams submitted proposals on June 30, 2010, and the contract was awarded to the joint venture Lunda/Ames.
In June 2013, two of the four lanes of the new bridge were open for traffic, and in November 2013 all four lanes opened. The new bridge cost $130 million and is the longest free-standing tied-arch bridge in North America, at a length of 545 feet. The main span is composed of arches, girders, beams, stringers, and roadway, offering four lanes of traffic plus twelve feet of mixed use pedestrian and bike path. The new bridge boasts a state of the art anti-icing system that will use the latest technology to keep the bridge safe. Other enhanced features include: a public art mural on the south abutment wall, a scenic overlook incorporated near Levee Park, additional parking beneath the bridge, and functional and aesthetic lighting. The new bridge is expected to have a 100-year lifespan.〔http://www.dot.state.mn.us/"'hastingsbridge'"〕
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「Hastings High Bridge」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|