Theodore Roosevelt Bridge
Overview
 
The Theodore Roosevelt Bridge (also known as the Teddy Roosevelt Bridge) is located in Washington, D.C.
Washington, D.C.
Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

  It carries Interstate 66
Interstate 66
Interstate 66 is an Interstate Highway in the eastern United States. As indicated by its even route number, it runs in an east–west direction. Its western terminus is at Middletown, Virginia, at an intersection with Interstate 81; its eastern terminus is in Washington, D.C., at an...

 and U.S. Highway 50 over the Potomac River
Potomac River
The Potomac River flows into the Chesapeake Bay, located along the mid-Atlantic coast of the United States. The river is approximately long, with a drainage area of about 14,700 square miles...

 near the Kennedy Center, connecting the Rosslyn
Rosslyn, Virginia
Rosslyn is an unincorporated area in Northern Virginia located in the northeastern corner of Arlington County, Virginia, north of Arlington National Cemetery and directly across the Potomac River from Georgetown in Washington, D.C. Rosslyn encompasses the Arlington neighborhoods of North Rosslyn...

 area of Arlington, Virginia, with Washington. The bridge crosses over Theodore Roosevelt Island
Theodore Roosevelt Island
Theodore Roosevelt Island is a island and a national memorial located in the Potomac River in Washington, D.C. The island was given to the American people by the Theodore Roosevelt Association in memory of the 26th U.S. president, Theodore Roosevelt....

, and crosses the Fall Line
Fall line
A fall line is a geomorphologic unconformity between an upland region of relatively hard crystalline basement rock and a coastal plain of softer sedimentary rock. A fall line is typically prominent when crossed by a river, for there will often be rapids or waterfalls...

, with the Virginia end of the bridge being in the Piedmont Plateau
Piedmont (United States)
The Piedmont is a plateau region located in the eastern United States between the Atlantic Coastal Plain and the main Appalachian Mountains, stretching from New Jersey in the north to central Alabama in the south. The Piedmont province is a physiographic province of the larger Appalachian division...

 physiographic province
Physiographic province
A physiographic province is a geographic region with a specific geomorphology and often specific subsurface rock type or structural elements.A continent may be subdivided into various physiographic provinces, each having a specific character, relief, and environment which contributes to its...

, and the Washington end being in the Atlantic Coastal Plain
Atlantic Coastal Plain
The Atlantic coastal plain has both low elevation and low relief, but it is also a relatively flat landform extending from the New York Bight southward to a Georgia/Florida section of the Eastern Continental Divide, which demarcates the plain from the ACF River Basin in the Gulf Coastal Plain to...

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