7 of the Coolest Bridges in the United States
(via Popular Mechanics) There are hundreds upon hundreds of bridges in the wide expanse of the United States, and among them some are the oldest, the highest, the longest. But some of the nation’s coolest, most impressive bridges don’t fit cleanly into a collection of your typical superlatives. Like the world’s longest floating bridge, one of the most time-tested construction projects ever, and other wonders of modern engineering.
