Delaware Bridge Co.
Atwells Avenue Bridge
(Providence County, Rhode Island)Built 1875Pony truss bridge over Woonasquatucket River on Atwells Avenue, oldest surviving metal bridge in the state.Open to traffic
PRR - Rockville Bridge (Old)
(Dauphin County, Pennsylvania)Built 1877Lost Howe deck truss bridge over Susquehanna River on Pennsylvania RailroadReplaced by a new bridge
PSN - Stony Brook Glen Bridge (Old)
(Steuben County, New York)Built 1883Lost Deck truss bridge over Stony Brook Glen on former Pittsburg, Shawmut & Northern Railroad south of DansvilleReplaced by a new bridge