Portland, Oregon's innovative and distinctive landmark, Tilikum Crossing Bridge of the People, is the first major bridge in the U.S, carrying trains, busses, streetcars, bicycles, and pedestrians- but no private automobiles. When regional transportation agency TriMet began planning for the first bridge to be constructed across the Willamette River since 1973, the goal was to build a something symbolic, which would represent the progressive nature...