Built in 1959, this bridge was completed to supplement the adjacent bascule bridge and create a one-way couplet of bridges. While it is not as historically significant as the bascule bridge it sits next to, it remains highly important as a unique comparison between the two most popular competing types of early 20th century patented bascule types. As this bridge demonstrates, the Strauss heel trunnion bascule eventually fell from favor (the more simple Chicago fixed trunnion bridge gained favor), however the equally simple rolling lift design also remained popular, and continues to be built today in modern bascule bridges.
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