Detailed drawings of each of the proposed crossings can be seen at several venues across the city and comments are invited. But the architects' identities are being withheld to prevent people being influenced by a famous name.
Designs for the £40 million project have been commissioned by Glasgow City Council. It will choose one scheme on 20 November, with planning permission expected to be granted next summer.
The bridge is due to open in 2007 and will link the developing financial district of Broomielaw on the north bank with Tradeston on the south.
The project costs include extensive landscaping and the creation of bars and restaurants.
City council leader and chairman of the judging panel Charles Gordon said: "Glasgow deserves a landmark, iconic bridge over the Clyde, which is now springing back to a place where people live, work and enjoy themselves."
Three of the designs are for straight bridges. The Mirror is a stainless steel structure, Via is a glass-sided arch topped by a 125-seat restaurant and Clyde 9 is a multi-coloured arch.
The other proposals are curved. Neptune's Way includes wooden piers at both ends, the People's Crossing is described as "a soft, undulating fold of white marble", while Latis includes a waterfall and reed beds.
Two teams of Scotland-based designers are in the running - Gordon Murray and Alan Dunlop and McKeown Alexander. The other competitors - the Richard Rogers Partnership, Sir Norman Foster, Lifschutz Davidson and Studio Bednarski - are from south of the border.
Stuart Davidson, director of the Lighthouse architecture centre, said the best proposals are those that recognise the changing face of the Clyde.
"The river needs to be looked at as a completely different concept, not as a navigational channel but as an events space," he maintained.