Not sure where to start with this other than I understand why you scored so low on this. For starters this was URBAN landscape and the discription of the challenge said it should have buildings in it. I don't see any buildings at all in your photo.
Now you do have an interesting subbject with that wooden walkway. You should try shooting it so that the walk starts at one corner of your photo and goes part way across you photo leaving the lake near the opposite side of the photo.
This could be a lot stronger as it is if it was a little brighter and you either use a haze filter or you play a little with the contrast and saturation to get rid of the gray hazy.
base 1: 1/1; challenge: 0/3; technical: 2/3; aesthetics: 0/3; total: 3
Nothing Urban or even buildings here. Focus too soft, color levels could use adjustment to make it more dynamic and less flat. Sky is blown out/white. In another "open spaces" type challenge, this photo might do better. Nice idea for such an 'open spaces' type shot, but execution could use some work.
the colours are unsaturated and details from this photo seem poor. Fits the challenge in my opinion (the walk planks are signs of urbanization to me). The bright sky is uninspiring (no details at all). I rate this a 6
It's not so much that it doesn't fit the challenge. It's the lack of focus, the composition, and lack of details. I feel I would be insulting you if I offered any suggestions about how you could improve this. Good luck.