Lupu Bridge is longer than which steel arch bridge in the Appalachian Mountains of the eastern United States that is crossed by an average of 16,200 motor vehicles per day?
Lupu Bridge:  The main bridge structure is 750m long including the two side spans of 100m each, and the main span of 550 m over the Huangpu River is 32 m longer than the previous record holder for the longest arch bridge, the New River Gorge Bridge in Fayetteville, West Virginia.
i don't know