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Fort Point

Built for a war that never reached San Francisco, saved by a bridge engineer who refused to demolish it.

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Quick answer

The Fort Point Civil War defenses were built between 1853 and 1861 at the narrowest part of the Golden Gate, from about seven million bricks and designed for 126 cannons. Not one was ever fired at an enemy. Rifled artillery made masonry forts obsolete within a few years. In the 1930s Joseph Strauss arched the Golden Gate Bridge over the fort rather than demolish it.

1Built by the US Army Corps of Engineers between 1853 and 1861
2A crew of 200, many of them unemployed miners, worked eight years on it
3Designed to mount well over a hundred cannon, firing through iron-lined openings in five-foot-thick walls

Full transcript

1

The Fort That Never Fired

Fort Point was built between 1853 and 1861, in a hurry, because the U.S. Army believed the Confederacy might sail into San Francisco Bay. A crew of 200, many of them miners who had run out of gold, spent eight years laying brick. What they built was designed to mount 126 cannon, firing through iron-lined openings cut in walls five feet thick, at the narrowest point of the Golden Gate. The cannons were installed. The soldiers trained. The Confederates never came. By the end of the Civil War the fort was already obsolete. Rifled cannons, developed during the war, could punch through brick walls from miles away. Fort Point was garrisoned on and off through World War Two, when soldiers watched for Japanese submarines from the same walls their predecessors had guarded. They saw none.

2

The Engineer Who Saved It

In the 1930s, the Golden Gate Bridge was planned to go straight through Fort Point. The bridge needed an anchorage on the south side of the strait, and the fort stood exactly where the engineers wanted to put it. Joseph Strauss, the chief engineer of the bridge, changed the design. He had the bridge arch over the fort instead of demolishing it. If you stand in the central courtyard and look straight up, the underside of the bridge fills the sky. The combination — nineteenth century masonry under twentieth century steel — is the most honest monument to San Francisco you will find.

3

What to Do

Go inside. Every tier is open. Walk the staircases, look through the cannon ports at the headlands across the water, stand in the courtyard and listen to the Golden Gate Bridge hum above you. Stand under the steel arch and look up — the fort is free, open every day, and almost empty most weekdays.

The checkable facts

  • Built by the US Army Corps of Engineers between 1853 and 1861
  • A crew of 200, many of them unemployed miners, worked eight years on it
  • Designed to mount well over a hundred cannon, firing through iron-lined openings in five-foot-thick walls
  • The fort never saw battle
  • Chief engineer Joseph Strauss designed a special arch so the bridge could be built over the fort rather than through it
  • In the 1930s, the Golden Gate Bridge was planned to go straight through Fort Point.
  • Within eight years of 1892 all 103 smooth-bore cannons had been dismounted and sold for scrap
  • Walls seven feet thick were suddenly no defense, so the Army stopped building forts of this type.
  • President Richard Nixon signed the legislation on October 16, 1970, creating Fort Point National Historic Site after a campaign by preservationists and bridge engineers.
  • Two years later the surrounding Golden Gate National Recreation Area was established around it.
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Frequently asked

Did Fort Point ever fire on an enemy?
No. The garrison mounted its first gun in 1861 and waited out the war for a Confederate raider that never entered the strait. Soldiers came back during the Second World War to watch for Japanese submarines and again saw nothing. By 1900 the smooth-bore guns had been dismounted and sold for scrap.
Why is the fort underneath the Golden Gate Bridge?
The bridge's southern approach had to land where the fort already stood. Rather than clear the site, chief engineer Joseph Strauss designed a steel arch to carry the roadway over the brickwork, spending money to keep a structure the Army no longer wanted. That decision is the only reason it survives.
What made a brick fort obsolete so quickly?
Rifled artillery. Spiral grooves in a gun barrel spin the shell, which multiplies accuracy and range, and during the war rifled guns tore apart the masonry of Fort Pulaski and Fort Sumter on the Atlantic coast. Walls seven feet thick were suddenly no defense, so the Army stopped building forts of this type.
When did it become a national park site?
President Richard Nixon signed the legislation on October 16, 1970, creating Fort Point National Historic Site after a campaign by preservationists and bridge engineers. The National Park Service has run it since. Two years later the surrounding Golden Gate National Recreation Area was established around it.

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