A century ago, much of this site was a tidal marsh. Since then, people have carved out and filled in the landscape nearby to accommodate bridges, brickyards, highways, railroads, motels, airports, the Pentagon—and now Long Bridge Park.
The Long Bridge in 1863. The marsh in the foreground was filled in the twentieth century, creating the solid ground you are standing on today.
The marshland on this site was filled to create solid land to support roads and other structures, like the new 14th Street Bridge, seen here under construction in 1942.
Seen here on July 1, 1942, the construction of the Pentagon was a massive undertaking. The federal government used the land to build one of its most vital structures in just sixteen months.
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