Red Rock Bridge
... that when the Red Rock Bridge was no longer needed for trains, it was converted to carry the auto traffic of U.S. Route 66 over the Colorado River?
... that when the <b id="mwAqM"><a href="./Red_Rock_Bridge" id="mwAqQ" rel="mw:WikiLink" title="Red Rock Bridge">Red Rock Bridge</a></b> was no longer needed for trains, it was converted to carry the auto traffic of <a href="./U.S._Route_66" id="mwAqU" rel="mw:WikiLink" title="U.S. Route 66">U.S. Route 66</a> over the <a href="./Colorado_River" id="mwAqY" rel="mw:WikiLink" title="Colorado River">Colorado River</a>?