Railroad (MBTA Green Line) Over Charles River and Various Roads in Cambridge and Boston: Middlesex County, Massachusetts and Suffolk County, Massachusetts, United States
Metal Variable Depth Deck Girder, Movable: Single Leaf Bascule (Strauss Trunnion) and Approach Spans: Concrete Closed Spandrel (Ribbed) Deck Arch, Fixed
Length: 1,700 ft.
Main Span: 129 ft.
Main Spans: 1
By: Pennsylvania Steel Company of Steelton, Pennsylvania and Holbrook, Cabot and Rollins of Boston, Massachusetts