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Natural Pier Bridge

Great American Rail-Trail

Architecture Nature & Environmental Management
Natural Pier Bridge spans over the Clark Fork River, utilizing a natural rock outcrop to anchor the middle of the bridge.

Natural Pier Bridge is the only bridge of its kind in Montana to use a natural feature of the landscape in its design and gives travelers a glimpse into Montana’s rich natural history. Located just west of Alberton, the Natural Pier Bridge spans the Clark Fork River. Originally constructed in 1917, the steel Warren through truss bridge incorporates a natural rock outcrop located in the middle of the bridge to support the structure. The rock’s erosion-resistant mudstone material dates back nearly 1.5 billion years to the Precambrian era, making it a stellar “natural pier.”

References

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Discovering America: Reconnecting People and Places

The Great American Rail-Trail promises an all-new American experience. Through 12 states and the District of Columbia, the trail will directly serve nearly 50 million people within 50 miles of the route. Across the nation—and the world—only the limits of imagination will limit its use.

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