On 25/05/2013 9:42 PM, merryb wrote:

> The Bay Bridge is considerably bigger and newer than the Skagit River
> bridge...

A tanker is a hell of a lot bigger than a part for an oil rig fabricated
from corrigated sheet steel. Look the little bit of damage that was
inflicted on that rig structure ..... and a bridge constructed of much
thicker steel construction beams collapsed????