The <i>Big Trestle</i>, the last major bridge of the transcontinental railroad, close to Promontory, Utah. Now part of <a href="//commons.wikimedia.org/w/index.php?title=Golden_Spike_National_Historic_Site&amp;action=edit&amp;redlink=1" class="new" title="Golden Spike National Historic Site (page does not exist)">Golden Spike National Historic Site</a>.
from the NPS website at <a rel="nofollow" class="external free" href="http://www.nps.gov/gosp/index.htm">http://www.nps.gov/gosp/index.htm</a>