Groton Bridge Company

[1] The company was founded in 1877 as Groton Iron Bridge Company, by merger of two firms.

It was reorganized and became the Groton Bridge and Manufacturing Company in 1887.

[1] The firm was believed to be a subsidiary of American Bridge Co. in 1908 when it installed two Parker truss spans manufactured by American Bridge Co. to complete the Plata Bridge in Puerto Rico.

[2][3] A number of its works are listed on the U.S. National Register of Historic Places.

[4] This United States manufacturing company–related article is a stub.