A towering suicide-prevention is set to rise along San Diego’s famed Coronado Bridge after state coastal regulators signaled support for a $140 million project aimed at stopping one of the nation’s deadliest suicide hotspots. The Coronado Bridge has been the site of about 400 documented suicide deaths since opening in 1969, according to project documents. That grim record has made it the second most frequently used bridge for suicide in the country, after the Golden Gate Bridge. The California