Natchez Trace Parkway Bridge
... that the Natchez Trace Parkway Bridge is the first segmentally constructed concrete arch bridge in the United States?
... that the <b id="mwAw0"><a href="./Natchez_Trace_Parkway_Bridge" id="mwAw4" rel="mw:WikiLink" title="Natchez Trace Parkway Bridge">Natchez Trace Parkway Bridge</a></b> <i id="mwAw8">(pictured)</i> is the first <a href="./Segmental_bridge" id="mwAxA" rel="mw:WikiLink" title="Segmental bridge">segmentally constructed</a> <a href="./Concrete" id="mwAxE" rel="mw:WikiLink" title="Concrete">concrete</a> <a href="./Arch_bridge" id="mwAxI" rel="mw:WikiLink" title="Arch bridge">arch bridge</a> in the <a href="./United_States" id="mwAxM" rel="mw:WikiLink" title="United States">United States</a>?