From the Mustard Museum in Mount Horeb, Wisconsin, to the Effigy Mounds of Marquette, Iowa, Midwest Marvels presents useful information about attractive features, history, locations, hours, prices of admission, and.
Span is the amount of area or the amount of time that something encompasses. 1  An example of span is how long you live. 2  An example of span is a house on three acres.  a unit of linear measure equal to nine inches: originally based on the distance between the tips of a man's extended thumb and little finger.
Span (engineering) Span is the distance between two intermediate supports for a structure, e.g. a beam or a bridge. A span can be closed by a solid beam or by a rope. The first kind is used for bridges, the second one for power lines, overhead telecommunication lines, some type of antennas or for aerial tramways.