Vintage car first to roll on $786 million bridge

Margaret McMaster R) and Barbara Jones(C) made the maiden journey across the new Bridgewater Bridge. (Ethan James/AAP PHOTOS)

A red Roadster containing two women in their 90s was officially the first car to cross a new bridge dubbed one state's biggest-ever transport project.

The replacement $786 million Bridgewater Bridge, over the River Derwent north of Hobart, was opened at a ceremony attended by Prime Minister Anthony Albanese on Sunday.