<P> The Rockville Bridge , at the time of its completion in 1902 , was , and remains , the longest stone masonry arch railroad viaduct in the world . Constructed between April 1900 and March 1902 by the Pennsylvania Railroad , it has forty - eight 70 - foot spans , for a total length of 3,820 feet ( 1,160 m ) . </P>
<P> The Rockville Bridge , at the time of its completion in 1902 , was , and remains , the longest stone masonry arch railroad viaduct in the world . Constructed between April 1900 and March 1902 by the Pennsylvania Railroad , it has forty - eight 70 - foot spans , for a total length of 3,820 feet ( 1,160 m ) . </P>
what is the longest stone arch bridge in the world
what is the longest stone arch bridge in the world
The Rockville Bridge
The Rockville Bridge