Excellent Post on the Minneapolis Bridge Collapse

Photo from source, PopularMechanics.com

While listening to Air America Radio today, I heard about this story in Popular Mechanics. It's quite good, so I'll just shut up and show you.

[Excerpt]

By Stephen Flynn Published on: August 2, 2007

It will take time to determine why the Interstate 35 bridge collapsed, so tragically, during the height of a Minneapolis rush hour on Wednesday night. But investigators will likely find that two factors contributed to its failure: age and heavy use. Bridge 9340 was constructed in 1967, 11 years after the launch of the Eisenhower Interstate System. Until it plunged into the Mississippi River, it served as a transportation lifeline for the growing Twin Cities population, carrying across its 14 spans many of the SUVs, cars and trucks that accounted for the 42 percent rise in Minnesota’s vehicle traffic from 1990 to 2003. [snip]

The fact is that Americans have been squandering the infrastructure legacy bequeathed to us by earlier generations. Like the spoiled offspring of well-off parents, we behave as though we have no idea what is required to sustain the quality of our daily lives. Our electricity comes to us via a decades-old system of power generators, transformers and transmission lines—a system that has utility executives holding their collective breath on every hot day in July and August. . . .

Read the rest at: PopularMechanics.com