> AFAIK you can abandon the Hoover dam and it will still be there in 500 years. Yes, Hoover dam is quite the civil engineering and project management feat. It'

> AFAIK you can abandon the Hoover dam and it will still be there in 500 years. Yes, Hoover dam is quite the civil engineering and project management feat. It's structural lifespan in the absence of maintenance (the turbines will go inoperative in months to years in the absence of maintenance) is estimated in the thousands of years range. [1] http://zidbits.com/2013/05/how-long-will-the-hoover-dam-last/ http://zidbits.com/2013/05/how-long-will-the-hoover-dam-last...