Pasadena Pioneers Bridge under construction

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Construction of the Pasadena Pioneers Bridge, also known as the Colorado Freeway Bridge, is underway directly north of the Colorado Street Bridge, seen on the right. The majestic Vista del Arroyo Hotel is visible in the background on the right. A portion of the photograph caption reads, "The mid-section of the new bridge will be 93 1/2 feet wide. Thirty-two thousand cubic yards of concrete will be poured into the bridge. At right is the old one, where so many people plunged to death." Photograph dated November 15, 1951. The Colorado Street Bridge was designed and built in 1913 by the Kansas City (MO)-based firm of J.A.L. Waddell. With a span of 1,486 feet and known for its distinctive Beaux Arts arches, lights, and railings, the bridge is on the National Register of Historic Places and has been designated a National Historic Civil Engineering Landmark by the American Society of Civil Engineers.