I just went out to my $20 parts truck to have a measure ( it looks the same as your project heap , LOL ) ,, it's a bit hard to pick a spot on a curved fender and say , from " there " , but the fender seems to be about 51 inches long , 22 inches wide at the point where the front of the hood contacts ( just behind the headlight ) and the wheel arch opening is , roughly, 31 inches across the gap at running board level.
Best of luck fixing it up , my project heap is a '52 Ansair Flxible Clipper , and MUCH worse . Don't let anyone talk you out of doing it , too much satisfaction to be gained in the build and finally getting to drive it again.
