The Gibraltar of America: Unlocking the Secrets of Fort Adams
Newport, Rhode Island, is world-famous for the “summer cottages” of the Gilded Age—palatial estates where the Vanderbilt and Astor families showcased their staggering wealth. Yet, just a stone’s throw from these marble mansions lies a different kind of monument to American power.
Fort Adams is the largest, most complex, and most expensive coastal fortification ever built in the United States. Though it never fired a shot in anger, its massive granite walls and labyrinthine tunnels were designed to be an impenetrable “Gibraltar of America,” shielding one of the finest deep-water harbors in the Western Hemisphere.
A Star is Born: From Earthworks to Napoleonic Splendor
Defending Newport has been a priority since 1673, but the “First System” of American defense proved inadequate during the War of 1812. In the wake of that conflict, the U.S. government realized it needed a permanent, massive sentinel.
The “New” Fort Adams was designed by Brigadier General Simon Bernard, a French military genius who had served as an engineer under Napoleon. Bernard brought the sophisticated “Vauban” style of European fortification to Rhode Island, creating a star-shaped masterpiece of engineering.
- The Great Labor: Construction began in 1824 and took over 30 years to complete.
- The Immigrant Backbone: Because the project was so vast, Newport couldn’t provide enough workers. Over 400 Irish laborers were hired, moving 20,000 tons of rubble stone and laying four million bricks. These men earned about $1.00 a day for their grueling six-day work weeks.
Size Matters: Dwarfing the Competition
To truly understand the scale of Fort Adams, one must compare it to other legendary American landmarks. The fort covers 20 acres—roughly 871,200 square feet.
- Fort McHenry (Baltimore): At 85,000 square feet, the site of the “Star-Spangled Banner” could fit inside Fort Adams nearly ten times.
- Fort Sumter (Charleston): Covering 56,000 square feet, the birthplace of the Civil War is a tiny fraction of the size of this Newport giant.
At its peak, Fort Adams was designed to mount 468 cannons and house a garrison of 2,400 soldiers. It was a self-sufficient city in its own right, equipped with its own water, sanitation, and medical facilities to withstand a prolonged siege.
The Architecture of Defiance
Fort Adams isn’t just a wall; it’s a series of lethal obstacles designed to funnel an enemy into “killing zones.”
- The Glacis: A long, gentle slope leading to the fort that provided zero cover for approaching infantry, making them easy targets for the soldiers above.
- The Listening Tunnels: To prevent enemies from tunneling under the walls, engineers built 3,110 feet (over half a mile) of underground “counter-mining” tunnels. Soldiers would sit in these dark passageways, listening for the sound of enemy picks and shovels.
- The Tenaille: A massive angular defense work placed in front of the main walls to absorb the initial shock of a land assault.
From World Wars to State Park
By the late 19th century, rifled cannons and ironclad ships made traditional masonry walls obsolete. The Army pivoted, building new concrete batteries outside the fort’s walls (Endicott Period) and using the main structure primarily for housing and training.
During World War II, over 3,000 soldiers were stationed here to guard Narragansett Bay. An anti-submarine net was stretched across the water to Jamestown to catch German U-boats, while massive 15-inch Rodman cannons stood ready to fire projectiles over two miles into the Atlantic.
After the Army left in 1950, the fort fell into a period of neglect and vandalism. It was declared a National Historic Landmark in 1976, but it wasn’t until the formation of the Fort Adams Trust in 1994 that true restoration began.
If You Visit
Today, Fort Adams is the centerpiece of a Rhode Island State Park and a premier destination for history buffs and music lovers alike (it is the home of the world-famous Newport Jazz and Folk Festivals).
- Location: 80 Fort Adams Drive, Newport, RI 02840.
- The “Tunnels” Tour: This is a must. You can walk through the original listening tunnels and experience the pitch-black silence where 19th-century soldiers once kept watch.
- The Parade Ground: At 6.5 acres, the interior parade ground is massive enough to host major events while remaining surrounded by historic casemates.
- The Views: Walk the ramparts for a spectacular view of the Newport Bridge and the harbor—the same view officers enjoyed over 150 years ago.
For More Information:
- The Fort Adams Trust (www.fortadams.org)
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