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Sauer Valley Bridge (Wasserbillig)
The Sauer Valley Bridge is a motorway (Autobahn) bridge high above the Sauer River which at this point marks the frontier between Luxembourg and Germany. It was constructed between 1984 and 1987.〔(【引用サイトリンク】title=Sauertal Bridge / Sauertalbrücke )〕
The bridge is long〔 and, at the lowest point of the valley, above the valley floor. Viewed from above it is formed as a curve with a radius of . Additionally, the road surface has a constant 1% gradient. The girder bridge was built with a single superstructure for both carriage ways, and is positioned approximately a kilometer to the north of Wasserbillig in Luxembourg.
==Superstructure==
The bridge has a steel superstructure of a constant level underpinned by a continuous support. The longest span between support pillars is , which is the span crossing the river. On the Luxembourg side, traveling from west to east, the other span widths are , and . Two more spans on the German side are of and .
The lateral profile of the bridge deck comprises a single box section and an Orthotropic deck inclined at 3.8%. The horizontal profile of the support floor is wide. There is therefore a difference between the thicknesses of the two sides of the bridge support which is on the inner side of the road's curvature, and on the outer side.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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