Unless you're going to try to drive a car or truck over it, how much would 2 or 3 telephone poles cost? Seems like they would span the distance ok. Then build the surface on top of them.
So is the bridge mainly for foot traffic? Jim.
Home of Irish Setter Rescue of North Texas
When Irish Eyes are smiling, they're usually up to something!!
At a minimum, I'm Pentatoxic...but most likely, I'm a Pentaholic. There seems to be no known cure. Pentatonix, winners of The Sing Off, season 3