i call this the shark's tooth bridge at paddington basin and it's featured in my project before, but not so close-up. if you look closely, you can spot the bridge in the centre of the other image i posted tonight. i was walking over it on my way home when i spotted that it was decorated all over with spider's webs, so had to get my camera out again
update september 2020 ...
decided that, after five-and-a-half years on this fabulous site, I should say a little more about myself than the two sentences...