National Bridge & Iron Works

of Boston, Massachusetts
View Exhibit map

B&P - Parker Bridge (Suffolk County, Massachusetts)
Built 1870
Lost Truss bridge over South Street on Boston & Providence Railroad
Replaced by a new bridge

Bridge Street Bridge (Second) (Cumberland County, Maine)
Built 1871
Lost Parker pony truss bridge over Presumpscot River on Bridge Street
Replaced by a new bridge

Elm Street Bridge (Windsor County, Vermont)
Built 1870
Parker Patent pony truss bridge over Ottauquechee River on VT 12 (Elm Street) in Woodstock.
Open to traffic

Lower Rollstone Street Bridge (Worcester County, Massachusetts)
Built 1870
Parker pony truss bridge over North Nashua River on Rollstone Street in Fitchburg
Intact but closed to all traffic

North Village Bridge (Worcester County, Massachusetts)
Built 1871
Parker pony truss bridge over a feeder stream that flows into Lake Chaubunagungamaug on a pedestrian walkway in Memorial Beach Park in Webster
Open to pedestrians

Pacific Mill Bridge (Essex County, Massachusetts)
Lost Parker patent pony truss bridge over North Canal on Appleton Street
Replaced by a new bridge