In this case, it was purely non technical reasons and not many tradeoffs. It was all political: http://www.sfchronicle.com/bayarea/article/Bay-Bridge-s-troubles

In this case, it was purely non technical reasons and not many tradeoffs. It was all political: http://www.sfchronicle.com/bayarea/article/Bay-Bridge-s-troubles-How-a-landmark-became-a-6021955.php?t=b20c182db7 http://www.sfchronicle.com/bayarea/article/Bay-Bridge-s-trou...