| 翻訳と辞書 |
| Deh Cho Bridge ： ウィキペディア英語版 |
Deh Cho Bridge
The Deh Cho Bridge is a long bridge across a span of the Mackenzie River on Highway 3 near Fort Providence, Northwest Territories, Canada. Construction began in 2008 and was expected to be completed in 2010 but faced delays due to technical and financial difficulties. The bridge officially opened to traffic on November 30, 2012. The bridge replaced the prior ferry/ice bridge combination used for river crossing, replacing MV Merv Hardie, the ferry in operation at the time of opening.
Deh Cho is the Dene name for the Mackenzie River.
== History ==
NWT Highway 3 (or the Yellowknife Highway) must cross over a kilometre of open water on the Mackenzie River south of Fort Providence. Since the highway opened in 1960 through November 2012, a seasonal ferry service was provided (roughly mid-May until December or January), with an ice road maintained across the frozen river from December to April. During the spring "breakup" season, due to hazards from floating or jammed ice there was a 3-4 week period (from mid-April to mid-May) between the closing of the ice road and the start of ferry service. No vehicles could cross during this period, and supplies for Yellowknife and other highway communities north of the river had to be relayed across by helicopter, sent by air freight, or wait until ferry operations begin. A similar but shorter "freezeup" period used to occur in December/January between the end of ferry operations and the opening of the ice road, but since the early 1980s ferry operations had generally been able to extend until the ice road was open.
The closing of the crossing created added transportation inconveniences and costs for residents north of the river, especially for perishable items such as food. A bridge had been of interest since the highway was opened, but various proposals for a bridge had difficulty establishing financial feasibility given the limited traffic volumes and the estimated construction and maintenance costs involved.
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「Deh Cho 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.
|
|