New Bedford-Fairhaven Middle Bridge, Spanning Acushnet River on U.S. H...
Significance: The New Bedford-Fairhaven Middle Bridge is a relatively early example of electric power applied to a moveable bridge span, and is one of the longest (288') surviving swing spans in Massachusetts, ... More
Essex-Merrimac Bridge, Spanning Merrimack River between Newburyport & ...
Significance: The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palme... More
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
Bardwell's Ferry Bridge, Spanning Deerfield River on Bardwell's Ferry ...
Significance: The Bardwell's Ferry Bridge is an excellent, virtually unaltered, example of William Douglas's 1878 patent for a wrought-rion lenticular truss bridge. It is one of approximately fifty lenticular ... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
Bartlett's Bridge, Spanning French River on Clara Barton Road, Oxford,...
Significance: Bartlett's Bridge is a well-preserved, representative example of a common, rural, nineteenth-century masonry bridge type found in New England. The notable details are the stone parapet with proje... More
Shelburne Falls Bridge, Spanning Deerfield River on Bridge Street, She...
Significance: The Shelburne Falls Bridge is the second oldest of seven double-intersection Warren through trusses identified in the Massachusetts Department of Public Works database. The bridge was designed by... More
Butler Bridge, Spans Housatonic River on Butler Road (North Glendale R...
Significance: The Butler Bridge is an apparently unique example of a small highway bridge designed by the pre-eminent American bridge engineer George Shattuck Morison, who is remembered primarily for his long-s... More
Tuttle Bridge, Spanning Housatonic River on Golden Hill Road, Lee, Ber...
Significance: The Tuttle Bridge is an excellent, virtually unaltered, example of William O. Douglas's 1885 patent, which he claimed improved upon his earlier (1878) patent for a lenticular truss bridge. The Tu... More
General Dynamics Corporation Shipyard, American Revolver Crane, 97 Eas...
Significance: Located on Pier 2, the oldest and primary outfitting pier in the shipyard, Structure 25S, a 37.5-ton American Revolver Crane, is significant for its association with the upgrading of the Quincy-Fo... More
Merrimac Bridge, Spanning Merrimac River on Bridge Street, Haverhill, ...
Significance: The Merrimac Bridge is located on a site which has been utilized as a major river crossing since the seventeenth century. It contains the oldest moveable span identified in the Massachusetts Depa... More
Merrimac Bridge, Spanning Merrimac River on Bridge Street, Haverhill, ...
Significance: The Merrimac Bridge is located on a site which has been utilized as a major river crossing since the seventeenth century. It contains the oldest moveable span identified in the Massachusetts Depa... More
Hampden County Memorial Bridge, Spanning Connecticut River on Memorial...
Significance: The Hampden County Memorial Bridge's main span is the longest concrete deck arch span in Massachusetts. The bridge is a finely-engineered example of a rare self-supporting arch rib reinforcement ... More
North Village Bridge, Spanning French River on North Main Street, Webs...
Significance: The North Village Bridge is one of only five known surviving Parker patent trusses in the United States, and the second oldest of the three located in Massachusetts. The bridge was built by the N... More
North Village Bridge, Spanning French River on North Main Street, Webs...
Significance: The North Village Bridge is one of only five known surviving Parker patent trusses in the United States, and the second oldest of the three located in Massachusetts. The bridge was built by the N... More
North Village Bridge, Spanning French River on North Main Street, Webs...
Significance: The North Village Bridge is one of only five known surviving Parker patent trusses in the United States, and the second oldest of the three located in Massachusetts. The bridge was built by the N... More
North Village Bridge, Spanning French River on North Main Street, Webs...
Significance: The North Village Bridge is one of only five known surviving Parker patent trusses in the United States, and the second oldest of the three located in Massachusetts. The bridge was built by the N... More
Spring Street Bridge, Spanning Charles River between Dedham & Boston, ...
Significance: The Spring Street Bridge is one of only two known stone arch highway bridges having more than four arches, as identified in the Massachusetts Department of Public Works database. The bridge is si... More
Boston & Maine Railroad, Essex Street Bridge, Spanning Boston & Maine ...
Significance: The Boston & Maine Railroad built wood and iron truss bridges into the twentieth century, long after most other railroads had switched to all-metal bridges. The Essex Street Bridge is representat... More
Schell Memorial Bridge, Spanning Connecticut River on East Northfield ...
Significance: The Schell Memorial Bridge is the third oldest of five known Pennsylvania truss bridges identified in the Massachusetts Department of Public Works database. It is a unique variation at least in... More
Boston & Albany Railroad, Marion Street Bridge, Spanning Boston & Alba...
Significance: The Marion Street Bridge is one of only twelve known surviving double-intersection Warren pony trusses in New England. It was one of many bridges manufactured and erected for the Boston & Albany ... More
Boston & Albany Railroad, Marion Street Bridge, Spanning Boston & Alba...
Significance: The Marion Street Bridge is one of only twelve known surviving double-intersection Warren pony trusses in New England. It was one of many bridges manufactured and erected for the Boston & Albany ... More
Bardwell's Ferry Bridge, Spanning Deerfield River on Bardwell's Ferry ...
Significance: The Bardwell's Ferry Bridge is an excellent, virtually unaltered, example of William Douglas's 1878 patent for a wrought-rion lenticular truss bridge. It is one of approximately fifty lenticular ... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
Bartlett's Bridge, Spanning French River on Clara Barton Road, Oxford,...
Significance: Bartlett's Bridge is a well-preserved, representative example of a common, rural, nineteenth-century masonry bridge type found in New England. The notable details are the stone parapet with proje... More
Bartlett's Bridge, Spanning French River on Clara Barton Road, Oxford,...
Significance: Bartlett's Bridge is a well-preserved, representative example of a common, rural, nineteenth-century masonry bridge type found in New England. The notable details are the stone parapet with proje... More
Atherton Bridge, Spanning Nashua River on Bolton Road, Lancaster, Worc...
Significance: The Atherton Bridge is an example of a hybrid pony-truss that bears a similarity to the Post truss. The bridge is 72 feet long, 18 1/2 feet wide, and is comprised of eight panels. It rests on gr... More
Atherton Bridge, Spanning Nashua River on Bolton Road, Lancaster, Worc...
Significance: The Atherton Bridge is an example of a hybrid pony-truss that bears a similarity to the Post truss. The bridge is 72 feet long, 18 1/2 feet wide, and is comprised of eight panels. It rests on gr... More
Shelburne Falls Bridge, Spanning Deerfield River on Bridge Street, She...
Significance: The Shelburne Falls Bridge is the second oldest of seven double-intersection Warren through trusses identified in the Massachusetts Department of Public Works database. The bridge was designed by... More
Shelburne Falls Bridge, Spanning Deerfield River on Bridge Street, She...
Significance: The Shelburne Falls Bridge is the second oldest of seven double-intersection Warren through trusses identified in the Massachusetts Department of Public Works database. The bridge was designed by... More
Butler Bridge, Spans Housatonic River on Butler Road (North Glendale R...
Significance: The Butler Bridge is an apparently unique example of a small highway bridge designed by the pre-eminent American bridge engineer George Shattuck Morison, who is remembered primarily for his long-s... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Merrimac Bridge, Spanning Merrimac River on Bridge Street, Haverhill, ...
Significance: The Merrimac Bridge is located on a site which has been utilized as a major river crossing since the seventeenth century. It contains the oldest moveable span identified in the Massachusetts Depa... More
Hampden County Memorial Bridge, Spanning Connecticut River on Memorial...
Significance: The Hampden County Memorial Bridge's main span is the longest concrete deck arch span in Massachusetts. The bridge is a finely-engineered example of a rare self-supporting arch rib reinforcement ... More
Spring Street Bridge, Spanning Charles River between Dedham & Boston, ...
Significance: The Spring Street Bridge is one of only two known stone arch highway bridges having more than four arches, as identified in the Massachusetts Department of Public Works database. The bridge is si... More
Spring Street Bridge, Spanning Charles River between Dedham & Boston, ...
Significance: The Spring Street Bridge is one of only two known stone arch highway bridges having more than four arches, as identified in the Massachusetts Department of Public Works database. The bridge is si... More
North Chester Village Bridge, Spanning Westfield River on Smith Road, ...
Significance: The North Chester Village Bridge is a relatively unusual example of a Pratt pony truss, with a combination of pinned and riveted connections. The R.F. Hawkins Iron Works, a regionally-significant... More
General Dynamics Corporation Shipyard, Wellman-Seaver Crane, 97 Howard...
Significance: Erected in 1901, Structure No. 30S, the Wellman-Seaver Folding Gantry Crane, or Crane S-1, is significant as the oldest and longest-operating crane in the Quincy-Fore River Shipyard. Located on P... More
Bardwell's Ferry Bridge, Spanning Deerfield River on Bardwell's Ferry ...
Significance: The Bardwell's Ferry Bridge is an excellent, virtually unaltered, example of William Douglas's 1878 patent for a wrought-rion lenticular truss bridge. It is one of approximately fifty lenticular ... More
Bardwell's Ferry Bridge, Spanning Deerfield River on Bardwell's Ferry ...
Significance: The Bardwell's Ferry Bridge is an excellent, virtually unaltered, example of William Douglas's 1878 patent for a wrought-rion lenticular truss bridge. It is one of approximately fifty lenticular ... More
Bardwell's Ferry Bridge, Spanning Deerfield River on Bardwell's Ferry ...
Significance: The Bardwell's Ferry Bridge is an excellent, virtually unaltered, example of William Douglas's 1878 patent for a wrought-rion lenticular truss bridge. It is one of approximately fifty lenticular ... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
Atherton Bridge, Spanning Nashua River on Bolton Road, Lancaster, Worc...
Significance: The Atherton Bridge is an example of a hybrid pony-truss that bears a similarity to the Post truss. The bridge is 72 feet long, 18 1/2 feet wide, and is comprised of eight panels. It rests on gr... More
Atherton Bridge, Spanning Nashua River on Bolton Road, Lancaster, Worc...
Significance: The Atherton Bridge is an example of a hybrid pony-truss that bears a similarity to the Post truss. The bridge is 72 feet long, 18 1/2 feet wide, and is comprised of eight panels. It rests on gr... More
Atherton Bridge, Spanning Nashua River on Bolton Road, Lancaster, Worc...
Significance: The Atherton Bridge is an example of a hybrid pony-truss that bears a similarity to the Post truss. The bridge is 72 feet long, 18 1/2 feet wide, and is comprised of eight panels. It rests on gr... More
Atherton Bridge, Spanning Nashua River on Bolton Road, Lancaster, Worc...
Significance: The Atherton Bridge is an example of a hybrid pony-truss that bears a similarity to the Post truss. The bridge is 72 feet long, 18 1/2 feet wide, and is comprised of eight panels. It rests on gr... More
Butler Bridge, Spans Housatonic River on Butler Road (North Glendale R...
Significance: The Butler Bridge is an apparently unique example of a small highway bridge designed by the pre-eminent American bridge engineer George Shattuck Morison, who is remembered primarily for his long-s... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Aiken Street Bridge, Spanning Merrimack River on Aiken Street, Lowell,...
Significance: The Aiken Street Bridge is the longest lenticular bridge surviving in the United States, and is the only remaining example having more than three spans. It is the second oldest of the eight lenti... More
Aiken Street Bridge, Spanning Merrimack River on Aiken Street, Lowell,...
Significance: The Aiken Street Bridge is the longest lenticular bridge surviving in the United States, and is the only remaining example having more than three spans. It is the second oldest of the eight lenti... More
Boston & Albany Railroad, Kingsbury Street Bridge, Spanning Boston & A...
Significance: The Kingsbury Street Bridge is one of only twelve known surviving double-intersection Warren pony trusses in New England. It was one of many bridges manufactured and erected for the Boston & Alba... More
Lower Rollstone Street Bridge, Spanning Nashua River on Rollstone Stre...
Significance: The (Lower) Rollstone Street Bridge is one of only five known surviving Parker patent trusses in the United States, and the oldest of the three located in Massachusetts. It is also one of the two... More
French King Bridge, Spanning Connecticut River on State Highway 2, Erv...
Significance: The French King Bridge is one of four known steel deck arch bridges in Massachusetts identified in the Massachusetts Department of Public Works (MDPW) database, and has the sixth longest span of a... More
Boston & Maine Railroad, Clark Street Bridge, Spanning Boston & Maine ...
Significance: The Boston & Maine Railroad built wood and iron truss bridges into the twentieth century, long after most other railroads had switched to all-metal bridges. The Clark Street Bridge is representat... More
General Dynamics Corporation Shipyard, American Revolver Crane, 97 Eas...
Significance: Located on Pier 2, the oldest and primary outfitting pier in the shipyard, Structure 25S, a 37.5-ton American Revolver Crane, is significant for its association with the upgrading of the Quincy-Fo... More
North Village Bridge, Spanning French River on North Main Street, Webs...
Significance: The North Village Bridge is one of only five known surviving Parker patent trusses in the United States, and the second oldest of the three located in Massachusetts. The bridge was built by the N... More
Taunton State Hospital, Danforth Street, Taunton, Bristol County, MA
Significance: As the second insane asylum in Massachusetts, the Taunton State Hospital represents a superb example of the mid-19th century Classical Revival design and a turning point in the care of the mentall... More
Boston & Maine Railroad, Essex Street Bridge, Spanning Boston & Maine ...
Significance: The Boston & Maine Railroad built wood and iron truss bridges into the twentieth century, long after most other railroads had switched to all-metal bridges. The Essex Street Bridge is representat... More
Essex-Merrimac Bridge, Spanning Merrimack River between Newburyport & ...
Significance: The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palme... More
Essex-Merrimac Bridge, Spanning Merrimack River between Newburyport & ...
Significance: The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palme... More
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
General Dynamics Corporation Shipyard, Wellman-Seaver Crane, 97 Howard...
Significance: Erected in 1901, Structure No. 30S, the Wellman-Seaver Folding Gantry Crane, or Crane S-1, is significant as the oldest and longest-operating crane in the Quincy-Fore River Shipyard. Located on P... More
Boston & Albany Railroad, Weston Road Bridge, Spanning Boston & Albany...
Significance: The Weston Road Bridge is the oldest of twelve known surviving double-intersection Warren pony truss bridges in New England. It was one of many bridges manufactured and erected for the Boston & A... More
Bardwell's Ferry Bridge, Spanning Deerfield River on Bardwell's Ferry ...
Significance: The Bardwell's Ferry Bridge is an excellent, virtually unaltered, example of William Douglas's 1878 patent for a wrought-rion lenticular truss bridge. It is one of approximately fifty lenticular ... More
Bardwell's Ferry Bridge, Spanning Deerfield River on Bardwell's Ferry ...
Significance: The Bardwell's Ferry Bridge is an excellent, virtually unaltered, example of William Douglas's 1878 patent for a wrought-rion lenticular truss bridge. It is one of approximately fifty lenticular ... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
Atherton Bridge, Spanning Nashua River on Bolton Road, Lancaster, Worc...
Significance: The Atherton Bridge is an example of a hybrid pony-truss that bears a similarity to the Post truss. The bridge is 72 feet long, 18 1/2 feet wide, and is comprised of eight panels. It rests on gr... More
Butler Bridge, Spans Housatonic River on Butler Road (North Glendale R...
Significance: The Butler Bridge is an apparently unique example of a small highway bridge designed by the pre-eminent American bridge engineer George Shattuck Morison, who is remembered primarily for his long-s... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster,...
Significance: The single span Ponakin Road Bridge is 100 feet long and 20 feet wide, with vertical end posts. The bridge has diagonal compression members and diagonal eye-bar tension members that extend two pa... More
Aiken Street Bridge, Spanning Merrimack River on Aiken Street, Lowell,...
Significance: The Aiken Street Bridge is the longest lenticular bridge surviving in the United States, and is the only remaining example having more than three spans. It is the second oldest of the eight lenti... More
Tuttle Bridge, Spanning Housatonic River on Golden Hill Road, Lee, Ber...
Significance: The Tuttle Bridge is an excellent, virtually unaltered, example of William O. Douglas's 1885 patent, which he claimed improved upon his earlier (1878) patent for a lenticular truss bridge. The Tu... More
North Village Bridge, Spanning French River on North Main Street, Webs...
Significance: The North Village Bridge is one of only five known surviving Parker patent trusses in the United States, and the second oldest of the three located in Massachusetts. The bridge was built by the N... More
North Village Bridge, Spanning French River on North Main Street, Webs...
Significance: The North Village Bridge is one of only five known surviving Parker patent trusses in the United States, and the second oldest of the three located in Massachusetts. The bridge was built by the N... More
Coleman Bridge, Spanning Phelps Brook, on Windsor Bush Road, at easter...
Significance: In 1893 Charles H. Ball, a mechanic and inventor from East Windsor, Massachusetts, patented a design for a small truss bridge constructed of iron pipes, which he described as "a strong, cheap brid... More
Taunton State Hospital, Danforth Street, Taunton, Bristol County, MA
Significance: As the second insane asylum in Massachusetts, the Taunton State Hospital represents a superb example of the mid-19th century Classical Revival design and a turning point in the care of the mentall... More
North Chester Village Bridge, Spanning Westfield River on Smith Road, ...
Significance: The North Chester Village Bridge is a relatively unusual example of a Pratt pony truss, with a combination of pinned and riveted connections. The R.F. Hawkins Iron Works, a regionally-significant... More
New Bedford-Fairhaven Middle Bridge, Spanning Acushnet River on U.S. H...
Significance: The New Bedford-Fairhaven Middle Bridge is a relatively early example of electric power applied to a moveable bridge span, and is one of the longest (288') surviving swing spans in Massachusetts, ... More
Schell Memorial Bridge, Spanning Connecticut River on East Northfield ...
Significance: The Schell Memorial Bridge is the third oldest of five known Pennsylvania truss bridges identified in the Massachusetts Department of Public Works database. It is a unique variation at least in... More
Essex-Merrimac Bridge, Spanning Merrimack River between Newburyport & ...
Significance: The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palme... More
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
Duck Bridge, Spanning Merrimack River on Union Street, Lawrence, Essex...
Significance: The Duck Bridge is the oldest double-intersection Warren through truss in the state under Massachusetts Department of Public Works purview, and is one of the state's oldest all-riveted bridges. I... More
General Dynamics Corporation Shipyard, Wellman-Seaver Crane, 97 Howard...
Significance: Erected in 1901, Structure No. 30S, the Wellman-Seaver Folding Gantry Crane, or Crane S-1, is significant as the oldest and longest-operating crane in the Quincy-Fore River Shipyard. Located on P... More
Boston & Albany Railroad, Marion Street Bridge, Spanning Boston & Alba...
Significance: The Marion Street Bridge is one of only twelve known surviving double-intersection Warren pony trusses in New England. It was one of many bridges manufactured and erected for the Boston & Albany ... More
Bardwell's Ferry Bridge, Spanning Deerfield River on Bardwell's Ferry ...
Significance: The Bardwell's Ferry Bridge is an excellent, virtually unaltered, example of William Douglas's 1878 patent for a wrought-rion lenticular truss bridge. It is one of approximately fifty lenticular ... More