The Tasmanian government needs to spend between $8 million and $76 million to make Hobart's Tasman Bridge suicide-proof, a coroner says.

Olivia McTaggart made the recommendation after investigating a spike in the number of deaths from the 1964 structure, which spans the Derwent River. Tasmania has the nation’s second-highest suicide rate per capita and there have been an average of two suicides a year at the bridge from 2000 until 2015,…