le0018w_bascule 2019-06-09 401 × 320 le0018w_bascule The Bascule Bridge in Ashtabula, Ohio, opens every half hour “on demand.” Credit: L. Borre. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)MoreClick to email a link to a friend (Opens in new window)Click to print (Opens in new window)