UPDATE (8 p.m.):U.S. 20 has reopened west of Corvallis and Philomath at milepost 42, about halfway between Wren and Blodgett, after a crash Tuesday afternoon, ODOT said around 8 p.m. Tuesday. No word yet on injuries. —- Original report:. CORVALLIS, Ore. – U.S. Highway 20 is closed west of Corvallis…