Daheidu Nujiang bridge arch bracket is made of steel and it uses the standard elements forming spatial truss.

打黑渡怒江大桥拱架为钢结构，采用万能杆件拼装而成，形成空间桁架。

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According to Vinceti, they appear to be the letters ce or simply the letter B. Other symbols would be hidden in the landscape, more precisely in the arch of the bridge.

据Vinceti称，它们似乎是字母ce或者单个字母b。在背景中，准确地讲是在桥拱中，也可能隐藏着其他的符号。

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It is the largest single-span concrete arch bridge in the Western Hemisphere.

VOA: special.2010.10.27

Red and white industrial rope light strands will grace the Canadian arch portion of the bridge, while red, white, and blue strands will grace the U.S. double-arch portion of the bridge.

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It was a steel and concrete arch bridge like many in the country that are carrying more and more traffic every day.

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