0.5 mi. S of Marysville over Susquehanna River, Marysville, Pennsylvania. County/parish: Dauphin.
Added to the National Register of Historic Places August 15, 1975. NRIS 75001640.
1 contributing structure.
The Rockville Bridge is the longest stone masonry arch railroad viaduct ever built, at 3,820 feet (1,160 m). It has 48 70-foot spans.
The bridge crosses the Susquehanna River about 5 miles (8 km) north of Harrisburg, Pennsylvania. The eastern end is located in Rockville and the western end is just south of Marysville.
Completed in 1902 by the Pennsylvania Railroad (PRR), it remains in use today by the Norfolk Southern Railway and Amtrak's Pennsylvanian route.
The bridge was listed on the National Register of Historic Places in 1975 and was designated as a National Historic Civil Engineering Landmark in 1979.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/71996414