KEY LARGO: The northbound lanes of U.S. 1 on Jewfish Creek Bridge will be closed from 6:30 to 10:30 a.m. today for the Jewfish Creek Bridge Half Marathon and 5K Run/Walk Run. Traffic will be rerouted to County Road 905 and Card Sound Road, where tolls will be lifted during those hours. The southbound lanes will remain open, but with up to 1,500 participants expected, drivers are urged to be careful in the area. Go to http://www.JewfishCreekBridgeRun.com for more information.