Dr Al Mohler, perhaps one of the brightest Christian thinkers of our day, makes this powerful observation in his BLOG ENTRY on the bridge collapse.  

This is a metaphor for our lives and spiritual peril, as Jonathan Edwards so clearly understood… 

This is exactly what pastors — and christians of all vocations — need to be pointing out to those around them.  Take the water-cooler discussion in a vertical direction!  May the Spirit speak through us to the lost, to others who are trusting in the condemned bridges of good works or religious sincerity, etc.  — Pastor David