Built 1800

Military Road Bridge (Jefferson County, New York)
Built 1800; rehabilitated 2003
Concrete arch bridge over Mill Creek on Military Road in Sackets Harbor
Open to traffic

Royal Springs Bridge (Scott County, Kentucky)
Built 1800 (some sources claim 1789) by Elijah Craig. For a more detailed history see above in Description.
Stone arch bridge over Royal Spring Creek on Main St. (US 460)
Open to traffic