The empirical relationship between pylon heights and span lengths is that the pylon height (above the guideway) must be at least 1/20th to 1/14th of the span length. Thus, typical pylon heights above street level for various span length used herein are as follows:

Span Length
(Feet)

Pylon Height
(Feet)

100
200
500
600
800
1,000
1,200
44 - 46
49 - 53
64 - 75
69 - 82
79 - 96
89 - 110
100 - 125