The Moseley Wrought Iron Arch Bridge, also known as the Upper Pacific Mills Bridge, is a historic, riveted, wrought iron

Wrought iron

thumb|The [[Eiffel tower]] is constructed from [[puddle iron]], a form of wrought ironWrought iron is an iron alloy with a very low carbon...

 bridge now located in North Andover, Massachusetts

North Andover, Massachusetts

North Andover is a town in Essex County, Massachusetts, United States. North Andover is the home of Merrimack College, a private, Catholic four-year institution ....

. It is a National Historic Civil Engineering Landmark now listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

as the oldest iron bridge in Massachusetts

Massachusetts

The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

, and one of the oldest such bridges in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

The bridge was completed in 1864 as Moseley Truss Bridge built by the Moseley Iron Building Works of Boston

Boston

Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

, to connect the Pacific Mills with Canal Street in Lawrence, Massachusetts

Lawrence, Massachusetts

Lawrence is a city in Essex County, Massachusetts, United States on the Merrimack River. According to the 2010 U.S. Census, the city had a total population of 76,377. Surrounding communities include Methuen to the north, Andover to the southwest, and North Andover to the southeast. It and Salem are...

 by spanning the North Canal

North Canal

North Canal is an historic canal running parallel to Canal Street in Lawrence, Massachusetts.It was built in 1845 and added to the National Register of Historic Places in 1975....

. It partially collapsed in the late 1980s, but was saved by removal to the Merrimack College

Merrimack College

Merrimack College is an independent college in the Roman Catholic, Augustinian tradition located in North Andover, Massachusetts, north of Boston, Massachusetts. It offers undergraduate degrees in business, education, science, engineering, and the liberal arts...

 campus, where it was renovated in the early 1990s for placement over a campus pond. It was rededicated in this new location on October 23, 1995.

See also

• Zenas King
  Zenas King
  Zenas King was born in Vermont in 1818. He started his career of building bridges in 1858 and moved from Cincinnati to Cleveland, Ohio around 1861. He established a bridge building works on Watson Street in Cleveland in 1865. King founded the King Iron Bridge & Manufacturing Company in 1871...
  
  
• Hares Hill Road Bridge
  Hares Hill Road Bridge
  The Hares Hill Road Bridge is a single-span, wrought iron, arched-shaped lattice girder bridge. It was built in 1869 in Chester County, Pennsylvania by Moseley Iron Bridge and Roof Company and is the only known surviving example of this kind. The bridge crosses French Creek, a Scenic River, and...