Lafayette-Spring Street Bridge, Lafayette & Spring Street, spanning Os...
Significance: An example of early twentieth-century reinforced concrete construction using the "Melan-von Emperger" systems of steel reinforcement. The western two spans were constructed as part of a grade cro... More
Old Harvard Street Bridge, Spanning Rock Creek at National Zoological ...
Significance: This was the largest of the several Melan-arch bridges built in Rock Creek park in the first years of the twentieth century. Its Neoclasscial detailing differentiates the Old Harvard Street Bridg... More
Rustic Bridge, NPS Route No. 13 spanning Crum Elbow Creek, Hyde Park, ...
Significance: The Rustic Bridge is an example of the Melan arch system of concrete construction, and as such is an example of the reinforced-concrete bridge systems introduced in the U.S. in the late nineteenth... More
Sandy Hill Bridge, Bridge Street, spanning Hudson River, Hudson Falls,...
Significance: From 1907 to 1908, the Sandy Hill Bridge was the longest multiple span, reinforced-concrete arch bridge in the world. Its design was also the first to employ the use of separately molded concrete... More
Rustic Bridge, NPS Route No. 13 spanning Crum Elbow Creek, Hyde Park, ...
Significance: The Rustic Bridge is an example of the Melan arch system of concrete construction, and as such is an example of the reinforced-concrete bridge systems introduced in the U.S. in the late nineteenth... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Sandy Hill Bridge, Bridge Street, spanning Hudson River, Hudson Falls,...
Significance: From 1907 to 1908, the Sandy Hill Bridge was the longest multiple span, reinforced-concrete arch bridge in the world. Its design was also the first to employ the use of separately molded concrete... More
Old Harvard Street Bridge, Spanning Rock Creek at National Zoological ...
Significance: This was the largest of the several Melan-arch bridges built in Rock Creek park in the first years of the twentieth century. Its Neoclasscial detailing differentiates the Old Harvard Street Bridg... More
Old Harvard Street Bridge, Spanning Rock Creek at National Zoological ...
Significance: This was the largest of the several Melan-arch bridges built in Rock Creek park in the first years of the twentieth century. Its Neoclasscial detailing differentiates the Old Harvard Street Bridg... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Rustic Bridge, NPS Route No. 13 spanning Crum Elbow Creek, Hyde Park, ...
Significance: The Rustic Bridge is an example of the Melan arch system of concrete construction, and as such is an example of the reinforced-concrete bridge systems introduced in the U.S. in the late nineteenth... More
Sandy Hill Bridge, Bridge Street, spanning Hudson River, Hudson Falls,...
Significance: From 1907 to 1908, the Sandy Hill Bridge was the longest multiple span, reinforced-concrete arch bridge in the world. Its design was also the first to employ the use of separately molded concrete... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Lafayette-Spring Street Bridge, Lafayette & Spring Street, spanning Os...
Significance: An example of early twentieth-century reinforced concrete construction using the "Melan-von Emperger" systems of steel reinforcement. The western two spans were constructed as part of a grade cro... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Rustic Bridge, NPS Route No. 13 spanning Crum Elbow Creek, Hyde Park, ...
Significance: The Rustic Bridge is an example of the Melan arch system of concrete construction, and as such is an example of the reinforced-concrete bridge systems introduced in the U.S. in the late nineteenth... More
Sandy Hill Bridge, Bridge Street, spanning Hudson River, Hudson Falls,...
Significance: From 1907 to 1908, the Sandy Hill Bridge was the longest multiple span, reinforced-concrete arch bridge in the world. Its design was also the first to employ the use of separately molded concrete... More
Rustic Bridge, NPS Route No. 13 spanning Crum Elbow Creek, Hyde Park, ...
Significance: The Rustic Bridge is an example of the Melan arch system of concrete construction, and as such is an example of the reinforced-concrete bridge systems introduced in the U.S. in the late nineteenth... More
Sandy Hill Bridge, Bridge Street, spanning Hudson River, Hudson Falls,...
Significance: From 1907 to 1908, the Sandy Hill Bridge was the longest multiple span, reinforced-concrete arch bridge in the world. Its design was also the first to employ the use of separately molded concrete... More
Sandy Hill Bridge, Bridge Street, spanning Hudson River, Hudson Falls,...
Significance: From 1907 to 1908, the Sandy Hill Bridge was the longest multiple span, reinforced-concrete arch bridge in the world. Its design was also the first to employ the use of separately molded concrete... More
Old Harvard Street Bridge, Spanning Rock Creek at National Zoological ...
Significance: This was the largest of the several Melan-arch bridges built in Rock Creek park in the first years of the twentieth century. Its Neoclasscial detailing differentiates the Old Harvard Street Bridg... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Lafayette-Spring Street Bridge, Lafayette & Spring Street, spanning Os...
Significance: An example of early twentieth-century reinforced concrete construction using the "Melan-von Emperger" systems of steel reinforcement. The western two spans were constructed as part of a grade cro... More
Lafayette-Spring Street Bridge, Lafayette & Spring Street, spanning Os...
Significance: An example of early twentieth-century reinforced concrete construction using the "Melan-von Emperger" systems of steel reinforcement. The western two spans were constructed as part of a grade cro... More
White Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess County, N...
Significance: The White Bridge is one of the first Melan arch bridges built in the United States, and as such is an example of one of the first reinforced-concrete bridge systems introduced in the U.S. in the l... More
Old Harvard Street Bridge, Spanning Rock Creek at National Zoological ...
Significance: This was the largest of the several Melan-arch bridges built in Rock Creek park in the first years of the twentieth century. Its Neoclasscial detailing differentiates the Old Harvard Street Bridg... More