Anacostia River (Md. and Washington, D.C.)
Photos from a 1956 pictorial report on bridges and related structures in Washington, D.C. This includes photos of bridges no longer standing, as well as some still standing today.
District Department of Transportation
District of Columbia. Department of Highways, Office of Planning, Design and Engineering
District Department of Transportation and District of Columbia. Department of Highways, Office of Planning, Design and Engineering, “Historic Bridges,” DDOT Historic Collections, accessed November 28, 2021, https://ddotlibrary.omeka.net/items/show/248.