Joel, cottonwood is commonly used as decking for trailers where I work in New Mexico. I don't see why it wouldn't work for a bridge, but you would want to make the slabs fairly thick. Also don't expect it to last as long as other hardwoods.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.