Edwin Thacher
of New York City, New York
This famous inventor of the Thacher truss for metal truss bridges and later a builder of patented Melan arch bridges is often difficult to research because even when he was alive, a significant number of publications misspelled his name as "Thatcher."
6th Avenue Bridge (Old) (Polk County, Iowa)
Design, 1907Lost Closed-spandrel arch bridge over Des Moines River on 6th AvenueCollapsed
Puente Río Satillo (Adjuntas, Puerto Rico)
Built 1901Closed-spandrel arch bridge over Río Satillo on PR123Open to traffic
Sanderson Avenue Bridge (Lackawanna County, Pennsylvania)
Built 1904Lost closed-spandrel arch bridge over Lackawanna River on Sanderson AvenueReplaced by new bridge
Walnut Street Bridge (Hamilton County, Tennessee)
Chief Engineer, 1890Six-span Pennsylvania through truss bridge over the Tennessee River on Walnut Street in ChattanoogaOpen to pedestrians only
West Broadway Bridge (Passaic County, New Jersey)
Design, 1897Concrete arch bridge over Passaic River on West Broadway in PassaicOpen to traffic