I agree. They don't look bad from what I can see.
It's a process. You will improve and change the way you draw them no matter what you intend.
It's just how it works. The more you draw the better they will get. And they'll change as you get better.
Chick is right I believe, you are probably being too hard on yourself.

My own work changed a lot in the last year or two. Change is good and healthy.
Let go and enjoy your maps.
All your work I've seen so far has been well done.