The Missoulian newspaper reports today that the four mega-loads of oil refinery equipment proposed for U.S. Highway 12 by ConocoPhillips each will exceed the weight capacity of every bridge on the route in Idaho, and on one of the bridges, the Arrow Bridge, the push-truck behind the loads will have to be disconnected to permit the loads to safely cross the bridge. That was among an array of concerns raised by megaloads opponents as ITD prepares to hold contested-case hearings on the ConocoPhillips proposal starting tomorrow; you can read the full Missoulian story here.