POLI 100K, Railroads and American Politics: Topic 4, Andrew Carnegie and the Standard Railway
of the World

Examples of 19th and early 20th Century Railroad Bridge Engineering
- Carrollton Viaduct, B & O, built 1829


- Thomas Viaduct, B & O, built 1835


- Eads Bridge across the Mississippi River at St. Louis, built 1874


- Rockville Stone Arch Bridge across the Susquehanna, The Pennsylvania Railroad, built 1902


- Tunkhannock Viaduct, Lackawanna Railroad, built 1915


