翻訳と辞書 |
Bridge No. L6007 : ウィキペディア英語版 | Bridge No. L6007
Bridge No. L6007 is a single-span stone arch bridge on Skyline Parkway where it crosses Stewart Creek at the Smithville neighborhood in the southwestern part of the city of Duluth, Minnesota. The bridge is historically significant because of its picturesque design and setting within a city park.〔(【引用サイトリンク】title=Minnesota's Historic Bridges - Bridge No. L-6007 )〕 It is built of locally quarried dark green gabbro, which is abundant in the Duluth area. The single arch over a deep ravine is built on rubble abutments, springing about above grade and rising over a span of . The rubble spandrel walls continue back in straight lines to form the retaining walls for the approaches. The bridge railings are topped with double sawtooth-shaped rows of gabbro. Overall, the bridge is about wide.〔(【引用サイトリンク】title=Bridge No. L-6007 - Description )〕 The bridge was listed on the National Register of Historic Places in 1989. ==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「Bridge No. L6007」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.
|
|