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The location of the State of Colorado in the United States of America.. This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Colorado.
It brings Colorado State Highway 119 over Boulder Creek, and was under Federal rather than state management as the highway provides access from Boulder to the Roosevelt National Forest. [2] It was designed by the U.S. Bureau of Public Roads. [3] It is 100 feet (30 m) in total length, and 39 feet (12 m) wide carrying a 34 feet (10 m)-wide roadbed.
Location of Boulder County in Colorado. This is a list of the National Register of Historic Places listings in Boulder County, Colorado. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Boulder County, Colorado, United States. The locations of National Register properties and ...
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The Boulder Bridge is a historic bridge located in the Washington, D.C. portion of Rock Creek Park, an urban national park listed on the National Register of Historic Places. Boulder Bridge was constructed in 1902 and carries Beach Drive across Rock Creek , a tributary of the Potomac River .
A spiral bridge, loop bridge, helix bridge, or pigtail bridge is a road bridge which loops over its own road, allowing the road to climb rapidly. This is useful in steep terrain, or where the approach road to a bridge would terminate too far from the bridge's end. Despite its name, the typical shape of a spiral bridge forms a helix, not a spiral.
The Morgul-Bismark Loop is a popular road cycling route or stage south of Boulder, Colorado.It was featured in the bygone Red Zinger Bicycle Classic and Coors International Bicycle Classic, and is still commonly ridden today.
Boulder Creek Bridge (Boulder, Colorado), listed on the National Register of Historic Places in Boulder County, Colorado Topics referred to by the same term This disambiguation page lists articles associated with the title Boulder Creek Bridge .