Portsmouth’s 1923 Memorial Bridge in Danger
by James L. Garvin, New Hampshire State Architectural Historian [Note: This article was written by Mr. Garvin on December 24, 2008. It was posted here on March 6, 2009. We pre-dated the posting to put the article into its proper historical context.—The Ed.] Memorial Bridge was the first major vertical lift bridge in the eastern United States. At its dedication in 1923, it had the longest lift span in the country (297 feet), making it the direct prototype for later vertical lift bridges with clear spans of over 300 feet. Its lift towers, extending 201 feet above mean high water, were among the highest in …