Spans (6)
(Other definitions for arches that I've seen before include "Extends across" , "(Cat) stretches (back)" , "Found on feet and bridges" , "Search (anag.)" , "Under-parts of feet, sometimes fallen" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spans</span>' is the definition.<br/ ><span class="explanation-format__explanation">('bridge' can be a synonym of 'span')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for bridges that I've seen before include "Robert -, poet laureate" , "One responsible for lyrics" , "links" , "Big reds (anag.)" , "WRITER" .)