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.  West abutment, seen from south (upstream) side.
<a href="//commons.wikimedia.org/wiki/User:Ammodramus" title="User:Ammodramus">Ammodramus</a>
<span class="int-own-work" lang="en">Own work</span>