StarshotJohn to pics@lemmy.world • 7 days agoBluegrass Train Bridge (OC)lemmy.worldimagemessage-square6fedilinkarrow-up1154file-text
arrow-up1154imageBluegrass Train Bridge (OC)lemmy.worldStarshotJohn to pics@lemmy.world • 7 days agomessage-square6fedilinkfile-text
minus-square@nilloc@discuss.tchncs.delinkfedilinkEnglish1•6 days agoIs a cantilever bridge the big span is over 500 feet, trestles are shorter spans way more support legs.
Train nerd here – that would be a “trestle.”
Is a cantilever bridge the big span is over 500 feet, trestles are shorter spans way more support legs.