page_title: Moseley Wrought Iron Arch Bridge
hierarchical_section_title: Moseley Wrought Iron Arch Bridge
caption_attribution_description: Moseley Wrought Iron Arch Bridge, built 1864. Originally located in Lawrence, Massachusetts, but moved to Merrimack College campus, North Andover, Massachusetts, USA. This is a National Historic Civil Engineering Landmark now listed on the National Register of Historic Places as the oldest iron bridge in Massachusetts, and one of the oldest such bridges in the United States.
context_page_description: The Moseley Wrought Iron Arch Bridge, also known as the Upper Pacific Mills Bridge, is a historic, riveted, wrought iron bowstring arch bridge now located on the campus of Merrimack College in North Andover, Massachusetts. It was added to the National Historic Civil Engineering Landmark list in 1998 and was originally part of the North Canal Historic District on the National Register of Historic Place. It is the oldest iron bridge in Massachusetts, and one of the oldest iron bridges in the United States. It was the first bridge in the United States to use riveted wrought iron plates for the triangular-shaped top chord.
  The bridge was completed in 1864 as Moseley Truss Bridge built by the Moseley Iron Building Works of Boston, to connect the Pacific Mills with Canal Street in Lawrence, Massachusetts by spanning the North Canal. It partially collapsed in the late 1980s, but in 1989 it was removed to the Merrimack College campus in North Andover and was rehabilitated under the direction of Francis E. Griggs, Jr., Professor of Civil Engineering. It was placed over a campus pond as a footbridge, and was rededicated in this new location on October 23, 1995.
context_section_description: The Moseley Wrought Iron Arch Bridge, also known as the Upper Pacific Mills Bridge, is a historic, riveted, wrought iron bowstring arch bridge now located on the campus of Merrimack College in North Andover, Massachusetts. It was added to the National Historic Civil Engineering Landmark list in 1998  and was originally part of the North Canal Historic District on the National Register of Historic Place. It is the oldest iron bridge in Massachusetts, and one of the oldest iron bridges in the United States.  It was the first bridge in the United States to use riveted wrought iron plates for the triangular-shaped top chord.
  The bridge was completed in 1864 as Moseley Truss Bridge built by the Moseley Iron Building Works of Boston, to connect the Pacific Mills with Canal Street in Lawrence, Massachusetts by spanning the North Canal. It partially collapsed in the late 1980s, but in 1989 it was removed to the Merrimack College campus in North Andover and was rehabilitated under the direction of Francis E. Griggs, Jr., Professor of Civil Engineering.  It was placed over a campus pond as a footbridge, and was rededicated in this new location on October 23, 1995.
caption: Moseley Wrought Iron Arch Bridge
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