They also worried about being sued if an older bridge collapses.

This extra strength allows some structural components to fail without bridge collapse.

Better to have virtual bridge collapse than real one.

Initial reports blaming the accident on bridge collapse were found erroneous.

"I was waiting to see the bridge collapse and the tanks plunge into the river," he recalled.

The story shifts back in time to the day of a service for those who died in the bridge collapse.

University officials have been working with students to identify and resolve problems caused by the bridge collapse.

The bridge collapse had lasting effects on science and engineering.

This was five days before the bridge collapse on November 7.

Sometimes there are gross differences in testimony, say, about a bridge collapse.