Workers perch on the structure of the Checkered House Bridge on Monday, June 18, 2012 in Richmond, Vt. Engineers are in the process of widening an historic, narrow Vermont bridge as part of renovations designed to make it safe for 21st century travelers. Engineers are planning to widen the 1929 bridge 12 ? feet as part of plan to renovate and modernize it. The truss that is being moved weighs about 300,000 pounds. (AP Photo/Toby Talbot)