This brief is for an architectural ideas competition to mark the 800th anniversary of the opening of the first London Bridge in 1209AD. Old London Bridge was an inhabited bridge and the competition asks today’s designers to imagine a new version of the inhabited bridge, based on the present structure which is deemed for these purposes to be strong enough to carry buildings on its deck.
Full brief (pdf)
The entries will apparently be exhibited on 11 July. I'm curious to see what they come up with.