The sonar images released by the US ... Investigators are also examining the bridge design and how it could be built with better pier protection "under today's standards," Homendy said.

Q: The sonar survey itself only took a few days ... The Bloomington Ferry Bridge piers exist because a newer bridge was constructed on top of them, the Chaska railroad bridge remains are on ...

Eads faced many obstacles when he built the first steel bridge in the world over the Mississippi River, none of which was more daunting than the sinking of the bridges' two piers and abutments to ...