A span is not a standard measure, a foot is. So there is no definitive answer.
there are 25 bones in the foot and 10 of them make up the arc of the foot
6336 ft make a mile if 10 inches make a foot
twelve inches to a foot -Ashton
the fish.
The Sciotoville Bridge across the Ohio River: two 775-foot spans.
5/12 of a foot = 41-2/3% of a foot
2
12 inches
7010.400000000001
10
There is 1 syllable.
-there ar 16 pennnies in a foot.