Seattle celebrates opening of world's longest floating bridge

Sitting atop Lake Washington, the new State Route 520 is now the longest floating bridge in the world—beating its predecessor, the old State Route 520, by 130 feet [...].

This new bridge has stronger pontoons than the last one, and can withstand more buffeting from wind and waves. It also has a stormwater collection system, bus lanes in both directions, a path for bikes and pedestrians, and the capacity to someday accommodate a light rail system. — atlasobscura.com