Starrucca Viaduct
...that the 1040-foot-long Starrucca Viaduct in Lanesboro, Pennsylvania was the largest and most expensive stone railway viaduct when built in 1848, and is still in use by the Norfolk Southern Railway?
...that the 1040-<a class="mw-redirect" href="./Foot_(unit_of_length)" id="mwA4Q" rel="mw:WikiLink" title="Foot (unit of length)">foot</a>-long <b id="mwA4U"><a href="./Starrucca_Viaduct" id="mwA4Y" rel="mw:WikiLink" title="Starrucca Viaduct">Starrucca Viaduct</a></b> in <a href="./Lanesboro,_Pennsylvania" id="mwA4c" rel="mw:WikiLink" title="Lanesboro, Pennsylvania">Lanesboro, Pennsylvania</a> was the largest and most expensive stone railway <a href="./Viaduct" id="mwA4g" rel="mw:WikiLink" title="Viaduct">viaduct</a> when built in 1848, and is still in use by the <a href="./Norfolk_Southern_Railway" id="mwA4k" rel="mw:WikiLink" title="Norfolk Southern Railway">Norfolk Southern Railway</a>?