The Journal: The Lupu Bridge is a steel through-tied box-girder arch bridge and it is the only steel arch bridge in the world to be completely welded. The Lupu Bridge in Shanghai is currently the world’s longest spanning steel arch bridge with a span of 550m. The Lupu Bridge is not only stunning not, but it is a remarkable feat of engineering. The carefully thought out aesthetics, all work together to create what is a seemingly effortless structure across the water.
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