On: A 'ludicrously ugly' bridge is Exhibit A that Britain has lost its mojo

[pseudohadamard]

Not quite, but the Spectator goes into quite some detail: https://spectator.com/article/why-does-it-cost-237-million-t...

tl;dr, there was a ton of stuff down there that no-one really knew about, and each bit of the stuff was covered by a different authority, none of whom could agree with each other over how to handle it.