Construction on the SR 99 Aurora Avenue Bridge began in 1929 and was completed in 1932. Did you know?
-The bridge was the final link, in what was then called the Pacific Highway.
-It was designed by a Seattle architectural firm, Jacobs and Ober. Ralph Ober, the lead engineer, died about five months before construction was completed.
-Approximately 1500 timber piles were driven in for the anchors (the large concrete piers in the photo). The construction of the anchors required a specially-designed pile driver that could work underwater.
-From Washington, D.C. President Herbert Hoover dedicated the bridge on Feb. 22, 1932 by turning a telegraphic key which sent a signal to unfurl flags on the bridge. The bridge opened to traffic the same day.
-Its official name is George Washington Memorial Bridge.
-The bridge is 2,945 feet long and 167 feet above the water.
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