bridge scour
... that bridge scour is the most common cause of highway bridge failure in the United States?
... that <b id="mwFSE"><a href="./Bridge_scour" id="mwFSI" rel="mw:WikiLink" title="Bridge scour">bridge scour</a></b> is the most common cause of <a href="./Highway" id="mwFSM" rel="mw:WikiLink" title="Highway">highway</a> <a href="./Bridge" id="mwFSQ" rel="mw:WikiLink" title="Bridge">bridge</a> failure <i id="mwFSU">(example pictured)</i> in the <a href="./United_States" id="mwFSY" rel="mw:WikiLink" title="United States">United States</a>?