Office Bridge
...that Oregon's longest covered bridge is the Office Bridge and is the only one west of the Mississippi River with a sidewalk?
...that <a href="./Oregon" id="mwCpA" rel="mw:WikiLink" title="Oregon">Oregon</a>'s longest <a href="./Covered_bridge" id="mwCpE" rel="mw:WikiLink" title="Covered bridge">covered bridge</a> is the <b id="mwCpI"><a href="./Office_Bridge" id="mwCpM" rel="mw:WikiLink" title="Office Bridge">Office Bridge</a></b> and is the only one west of the <a href="./Mississippi_River" id="mwCpQ" rel="mw:WikiLink" title="Mississippi River">Mississippi River</a> with a sidewalk?