A timeline of Portsmouth bridges

Spanning the decades

1794 First bridge across the Piscataqua opens at Newington, N.H.


1822 First bridge from Portsmouth, N.H., to Kittery, Maine, opens near current site of Sarah Mildred Long Bridge

1844 Railroad bridge opens at same site

Get Today's Headlines in your inbox:
The day's top stories delivered every morning
Thank you for signing up! Sign up for more newsletters here

1923 Memorial Bridge opens in January

1938 Railroad bridge collapses, killing two members of train crew

1940 N.H.-Maine Interstate Bridge opens, renamed for Long in 1987


1972 I-95 “high-level” or “high-span” bridge opens

2011 Memorial Bridge closed to traffic

2012 Memorial Bridge demolished

2013 New Memorial Bridge to open

SOURCES: Discover Portsmouth and Richard Candee

Loading comments...
Real journalists. Real journalism. Subscribe to The Boston Globe today.
We hope you've enjoyed your free articles.
Continue reading by subscribing to for just 99¢.
 Already a member? Log in Home
Subscriber Log In

We hope you've enjoyed your 5 free articles'

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week
Marketing image of
Marketing image of