HABS documented
Casselman Bridge (Garrett County, Maryland)
Built 1813 by David Shriver, Jr.Stone arch bridge over Casselman River on Old US 40, east of GrantsvilleClosed To All But Pedestrians in Casselman River Bridge State Park
Mission Espada Aqueduct (Bexar County, Texas)
Built between 1731 and 1745Stone arch bridge over Piedras Creek on Acequia MadreStill carries water