Palm Valley Bridge, County Road 210 spanning Intracoastal Waterway, Ponte Vedra Beach, St. Johns County, FL
Significance: The Palm Valley Bridge is the last bridge over the Intracoastal Waterway in Florida owned and operated by the U.S. Army Corps of Engineers. It is also a good example of an unaltered double-leaf bascule bridge dating from the 1930s.
Survey number: HAER FL-14
Building/structure dates: 1937 Initial Construction