Black Gap bridge, located on the Black Hills Back Country Byway, a.k.a. Old Safford Road, 2.0 odometer miles south of the Gila River crossing, in Greenlee County, Arizona.  East end, seen from below.
<a href="//commons.wikimedia.org/wiki/User:Ammodramus" title="User:Ammodramus">Ammodramus</a>
<span class="int-own-work" lang="en">Own work</span>