The main span of Lhasa Liuwu Bridge comprises two identical main spans, namely northern span and southern span in duplex basket-handle arch and spatial arch span system; the bearing structure comprises the main arch and the sub-arch, both being in parabola curve and unequal width & variable height steel box section. Having a novel style and a graceful contour, the bridge is an embodiment of the design concept of powerfulness and grandness, and is a landmark of Lhasa.