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Petrified Forest NP, Arizona
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The Agate Bridge is a 110-foot long petrified log that naturally spans a gully, formed over 200 million years ago during the Late Triassic period.
In 1917, a concrete beam was placed under the Agate Bridge to prevent it from collapsing due to erosion.
The petrified log that forms the Agate Bridge is primarily composed of Araucarioxylon arizonicum, a type of conifer that once thrived in the region.
The Agate Bridge provides valuable insights into the ancient ecosystems and climate of the Late Triassic period.
The Agate Bridge is located within the Petrified Forest National Park, which spans over 146 square miles and is home to one of the largest and most colorful concentrations of petrified wood in the world.
The area around the Agate Bridge has been inhabited by various Indigenous cultures for thousands of years, leaving behind petroglyphs and other archaeological sites.
