StarshotJohn@lemmy.world to pics@lemmy.world · 1 year agoBluegrass Train Bridge (OC)lemmy.worldexternal-linkmessage-square6linkfedilinkarrow-up1155arrow-down10file-text
arrow-up1155arrow-down1external-linkBluegrass Train Bridge (OC)lemmy.worldStarshotJohn@lemmy.world to pics@lemmy.world · 1 year agomessage-square6linkfedilinkfile-text
minus-squarenilloclinkfedilinkEnglisharrow-up1·1 year agoIs a cantilever bridge the big span is over 500 feet, trestles are shorter spans way more support legs.
Is a cantilever bridge the big span is over 500 feet, trestles are shorter spans way more support legs.