Indeed. Unfortunately, to save money, they stopped painting it regularly, and huge rusty chunks started falling off it, particularly onto North Queensferry. (My dad lives near there and I've seen it myself). I try not to think of the massive bolts on the ground when crossing on the train..
I like to know how much of everything as well - but I still throw things into the oven at whatever temperature I think is best and cook until not quite black.