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The American Society of Civil Engineers recognized the Kaibab Trail Suspension Bridge in a ceremony Feb. 23 at Yavapai Geology Museum on the South Rim. (Terri Attridge/NPS)

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Kaibab Trail’s Black Bridge named National Historic Civil Engineering Landmark

Built in 1928, the Kaibab Trail Suspension Bridge, or Black Bridge, was so remote that the site could not be reached by motor vehicles.