U.S. Navy divers from Mobile Diving and Salvage Unit (MDSU) 2 from Naval Amphibious Base Little Creek, Virginia, enter the water at the site of the I-35 bridge collapse over the Mississippi river on August 7, 2007 in Minneapolis, Minnesota. (Joshua Adam Nuzzo / U.S. Navy via Getty Images) Minnesota’s ‘Smart Bridges’ project aims to prevent another collapse After using drones to inspect their bridges faster and more safely, Minnesota officials are expanding their aerial fleet. Sep 19, 2023 By Sophia Fox-Sowell