Why does the Stone Arch Bridge cross the river at such an odd angle?

Older than most historic buildings still standing in the Twin Cities, the 136-year-old bridge has long been Minneapolis' de facto welcome mat. But why was it built the way it was? Host Eric Roper talks with Dave Wiggins about why the bridge crosses the Mississippi River at an odd angle. Read the story: www.strib.mn/2JAnqJN. Read about "Hill's Follly," www.gngoat.org/stone_arch_bridge.htm