File:Essex-Merrimac Bridge - HAER 078239pu.jpg
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| Description | Essex-Merrimac Bridge, spanning the Merrimack River between Newburyport & Deer Island, Amesbury, Essex County, Massachusetts, USA. The Essex-Merrimac Bridge is a 225-foot, single-span suspension bridge, which crosses the Merrimac River at the site of a previous Palladian, arched timber truss (1792-1810) built by Timothy Palmer, and a wrought-iron chain suspension bridge (1810-1909) designed by James Finley and built by John Templeman. The fame of the current bridge rests largely on the accomplishments of these earlier bridge builders, rather than its own engineering merits. Even so, at its time of construction in 1909, the Essex-Merrimac Bridge incorporated the most up-to-date technology. George F. Swain, the bridge's designer, was a nationally-recognized structural engineer and educator. According to the Massachusetts Department of Public Works Historic Bridge Inventory, the Essex-Merrimac Bridge is Massachusetts' only highway suspension bridge. This image is part of the Historic American Engineering Record (HAER), created by the Library of Congress, and hence is in the public domain. Survey number: HAER MA-93. Martin Stupich, photographer, Summer 1990. See: https://www.loc.gov/pictures/item/ma1411/ | ||||
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| Source | Daderot | ||||
| Author | Historic American Engineering Record (HAER), creator | ||||
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:22, 17 March 2012 | | 4,912 × 3,965 (9.79 MB) | Daderot (talk | contribs) |
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