@Engineer-Joe posted:Hmmm....
maybe I should have done this first? (load calculations)
https://ogrforum.ogaugerr.com/...bridge-hmmmm-someday
I put our grandson on the bridge to test my work and it held him fine. So my calculations where... if it held him, it'll work.
I skipped the real work here.
In the real world it's hard to find a large enough grandson that will sufficiently test scale bridges. LOL!