Built 1810

Cambridge Street Bridge (Old) (Middlesex County, Massachusetts)
Built 1810; Replaced 1925
Lost Timber stringer bridge over Charles River on Cambridge Road/River Street
Replaced by a new bridge

Chain Bridge (Old) (Essex County, Massachusetts)
Built 1810; replaced 1909
Lost Wire suspension bridge over Merrimack River on Main Street/Trolley
Replaced by a new bridge

Limekiln Pike Bridge (Montgomery County, Pennsylvania)
Built 1810
Stone arch bridge over Sandy Run on Limekiln Pike in Fort Washington
Open to traffic

Sherman Creek Bridge (Perry County, Pennsylvania)
Built 1810
Steel stringer bridge over Sherman Creek on Pine Hill Road
Open to traffic

St. Davids Road Bridge (Delaware County, Pennsylvania)
Built 1810 by Thomas Welch; rehabilitated ca. 1960
Stone arch bridge over Darby Creek on St. Davids Road in Radnor Township
Open to traffic