Watertown Arsenal, Building No. 97, Wooley Avenue, Watertown, Middlese...
Significance: The significance of Building No. 97 lies in the fact that its changing use from an industrial facility to a modern laboratory provides a physical illustration of the changing mission of Watertown ... More
Meeting House Bridge, Spanning Boston & Maine Railroad 0.1 mile east o...
Significance: Meeting House Bridge has state-level significance as an increasingly rare example of timber-truss bridge technology. Howe-patent trusses such as this, combining wooden compression members with wr... More
Meeting House Bridge, Spanning Boston & Maine Railroad 0.1 mile east o...
Significance: Meeting House Bridge has state-level significance as an increasingly rare example of timber-truss bridge technology. Howe-patent trusses such as this, combining wooden compression members with wr... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Wright's Bridge, Spanning Sugar River, former Boston & Maine Railroad ...
Significance: One of only eight remaining covered railroad bridges in the country. Wright's Bridge is structurally the most interesting of the four existing bridges built while Jonathan Parker Snow was bridge ... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Rollins Farm Bridge, Spanning Boston & Maine Railroad at Ham Road, Rol...
Significance: Rollins Farm Bridge is one of possibly seven standing boxed pony timber bridges in North America, and one of four in New Hampshire. It is the only example of the numerous overhead roadway bridges... More
Rollins Farm Bridge, Spanning Boston & Maine Railroad at Ham Road, Rol...
Significance: Rollins Farm Bridge is one of possibly seven standing boxed pony timber bridges in North America, and one of four in New Hampshire. It is the only example of the numerous overhead roadway bridges... More
Watertown Arsenal, Building No. 292, Welch Avenue, Watertown, Middlese...
Significance: The significance of Building No. 292 lies in the fact that its changing use from an industrial storehouse to a modern laboratory provides a physical illustration of the changing mission of Waterto... More
Meeting House Bridge, Spanning Boston & Maine Railroad 0.1 mile east o...
Significance: Meeting House Bridge has state-level significance as an increasingly rare example of timber-truss bridge technology. Howe-patent trusses such as this, combining wooden compression members with wr... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Watertown Arsenal, Building No. 97, Wooley Avenue, Watertown, Middlese...
Significance: The significance of Building No. 97 lies in the fact that its changing use from an industrial facility to a modern laboratory provides a physical illustration of the changing mission of Watertown ... 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
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Central Massachusetts Railroad, Linden Street Bridge, Spanning Linden ...
Significance: This lattice truss bridge was built for the Central Massachusetts Railroad in 1894. The bridge is typical of nineteenth century metal truss bridges which were built for the railroads. The Linden... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Wright's Bridge, Spanning Sugar River, former Boston & Maine Railroad ...
Significance: One of only eight remaining covered railroad bridges in the country. Wright's Bridge is structurally the most interesting of the four existing bridges built while Jonathan Parker Snow was bridge ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Rollins Farm Bridge, Spanning Boston & Maine Railroad at Ham Road, Rol...
Significance: Rollins Farm Bridge is one of possibly seven standing boxed pony timber bridges in North America, and one of four in New Hampshire. It is the only example of the numerous overhead roadway bridges... More
Watertown Arsenal, Building No. 292, Welch Avenue, Watertown, Middlese...
Significance: The significance of Building No. 292 lies in the fact that its changing use from an industrial storehouse to a modern laboratory provides a physical illustration of the changing mission of Waterto... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Boston & Maine Railroad and connections.
Map of New England and part of Canada showing relief by hachures, major drainage, cities and towns, state boundaries, and the railroad network with main lines emphasized. Scale ca. 1:1,000,000. LC Railroad maps... More
Wright's Bridge, Spanning Sugar River, former Boston & Maine Railroad ...
Significance: One of only eight remaining covered railroad bridges in the country. Wright's Bridge is structurally the most interesting of the four existing bridges built while Jonathan Parker Snow was bridge ... More
Wright's Bridge, Spanning Sugar River, former Boston & Maine Railroad ...
Significance: One of only eight remaining covered railroad bridges in the country. Wright's Bridge is structurally the most interesting of the four existing bridges built while Jonathan Parker Snow was bridge ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Watertown Arsenal, Building No. 292, Welch Avenue, Watertown, Middlese...
Significance: The significance of Building No. 292 lies in the fact that its changing use from an industrial storehouse to a modern laboratory provides a physical illustration of the changing mission of Waterto... More
Meeting House Bridge, Spanning Boston & Maine Railroad 0.1 mile east o...
Significance: Meeting House Bridge has state-level significance as an increasingly rare example of timber-truss bridge technology. Howe-patent trusses such as this, combining wooden compression members with wr... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Boston & Maine Railroad, Charles River Bridges, Charles River, North S...
Significance: Part of the extensive terminal improvement program by the Boston & Maine Railroad, and the last element to be completed, was the replacement and realignment of the railroad's crossings of the Char... More
Boston & Maine Railroad, Charles River Bridges, Charles River, North S...
Significance: Part of the extensive terminal improvement program by the Boston & Maine Railroad, and the last element to be completed, was the replacement and realignment of the railroad's crossings of the Char... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Wright's Bridge, Spanning Sugar River, former Boston & Maine Railroad ...
Significance: One of only eight remaining covered railroad bridges in the country. Wright's Bridge is structurally the most interesting of the four existing bridges built while Jonathan Parker Snow was bridge ... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Meeting House Bridge, Spanning Boston & Maine Railroad 0.1 mile east o...
Significance: Meeting House Bridge has state-level significance as an increasingly rare example of timber-truss bridge technology. Howe-patent trusses such as this, combining wooden compression members with wr... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Meeting House Bridge, Spanning Boston & Maine Railroad 0.1 mile east o...
Significance: Meeting House Bridge has state-level significance as an increasingly rare example of timber-truss bridge technology. Howe-patent trusses such as this, combining wooden compression members with wr... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Wright's Bridge, Spanning Sugar River, former Boston & Maine Railroad ...
Significance: One of only eight remaining covered railroad bridges in the country. Wright's Bridge is structurally the most interesting of the four existing bridges built while Jonathan Parker Snow was bridge ... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Watertown Arsenal, Building No. 97, Wooley Avenue, Watertown, Middlese...
Significance: The significance of Building No. 97 lies in the fact that its changing use from an industrial facility to a modern laboratory provides a physical illustration of the changing mission of Watertown ... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Wright's Bridge, Spanning Sugar River, former Boston & Maine Railroad ...
Significance: One of only eight remaining covered railroad bridges in the country. Wright's Bridge is structurally the most interesting of the four existing bridges built while Jonathan Parker Snow was bridge ... More
Wright's Bridge, Spanning Sugar River, former Boston & Maine Railroad ...
Significance: One of only eight remaining covered railroad bridges in the country. Wright's Bridge is structurally the most interesting of the four existing bridges built while Jonathan Parker Snow was bridge ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Rollins Farm Bridge, Spanning Boston & Maine Railroad at Ham Road, Rol...
Significance: Rollins Farm Bridge is one of possibly seven standing boxed pony timber bridges in North America, and one of four in New Hampshire. It is the only example of the numerous overhead roadway bridges... More
Watertown Arsenal, Building No. 97, Wooley Avenue, Watertown, Middlese...
Significance: The significance of Building No. 97 lies in the fact that its changing use from an industrial facility to a modern laboratory provides a physical illustration of the changing mission of Watertown ... More
Meeting House Bridge, Spanning Boston & Maine Railroad 0.1 mile east o...
Significance: Meeting House Bridge has state-level significance as an increasingly rare example of timber-truss bridge technology. Howe-patent trusses such as this, combining wooden compression members with wr... More
Meeting House Bridge, Spanning Boston & Maine Railroad 0.1 mile east o...
Significance: Meeting House Bridge has state-level significance as an increasingly rare example of timber-truss bridge technology. Howe-patent trusses such as this, combining wooden compression members with wr... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Watertown Arsenal, Building No. 312, Wooley Avenue, Watertown, Middles...
Significance: Building No. 312, constructed to facilitate the erection of gun carriages, is significant for its industrial association with three adjacent buildings to the west, south, and north (312, HAER No. ... More
Boston & Maine Railroad, Northampton Lattice Truss Bridge, Northampton...
Significance: This structure is an early example of an all-riveted metal lattice truss built for railroad use. The form of the riveted lattice truss reduced deflection under heavy moving loads and, apparently,... More
Rollins Farm Bridge, Spanning Boston & Maine Railroad at Ham Road, Rol...
Significance: Rollins Farm Bridge is one of possibly seven standing boxed pony timber bridges in North America, and one of four in New Hampshire. It is the only example of the numerous overhead roadway bridges... More
Watertown Arsenal, Building No. 292, Welch Avenue, Watertown, Middlese...
Significance: The significance of Building No. 292 lies in the fact that its changing use from an industrial storehouse to a modern laboratory provides a physical illustration of the changing mission of Waterto... More
Watertown Arsenal, Building No. 311, Arsenal Street, Watertown, Middle...
Significance: Building No. 311 is essential to understanding Watertown Arsenal activities from World War I to the present day. Reputed to be one of the largest structures in the world in 1917, it was designed ... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More
Bellows Falls Arch Bridge, Spanning Connecticut River, North Walpole, ...
Significance: When built, the bridge was the longest single span highway bridge in the U.S. and is was among the largest three-hinged arch bridges in the world. The structure has also played an important role i... More