Eyebars

Mahoning Avenue Double Decker Viaduct (Mahoning County, Ohio)
Built 1903
Through truss bridge over Mill Creek on CR 319
Replaced by a new bridge

Summer Street over Fort Point Channel Bridge (Suffolk County, Massachusetts)
Built 1899, Rehabilitated 1918, 1952, 1959, 1967, 1990, and 1998.
Retractile deck plate girder bridge over Fort Point Channel on Summer Street
Open to traffic