I hope you won't mind if I show you what I think could be done with your picture.
First is to remove distracting objects, in this case the manhole at the bottom left. This is simply done by using the lasso tool and then go to edit>fill>content aware.
Then I made a copy of the background layer and went to Edit>transform>warp, and dragged the upper right corner a bit out to bring the bridge's post a bit more vertical.
Then used the black & white layer and then brought the exposure up a bit because I think it's the only way to show that it was snowing (I guess this is what you wanted to show in this picture).
So here's my take on your shot: