America has one of the greatest infrastructures in history. Roadways, dams, tunnels and bridges were built to last. But over the decades, the infrastructure that helped our country grow hasn’t kept up with the times – from underground sewers built during the Gold Rush to highways designed for 1925 traffic. Now, HISTORY sets out to inspect the country to see what is up to code and what needs to be fixed.
Upcoming Episode
Your Next Unwatched
aired Apr 18, 2011
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