The west abutment of a dam near Mankato, Minn., was washed away, as was a portion of a railroad bridge between Sioux City, Iowa, and North Sioux City, S.D. 

It is the largest amount the agency has ever spent on projects in a single fiscal year. 

Entities leading Canada-US crossing construction said project's overall contract value will rise from $4.1 billion to $4.9 billion.

Maintenance and repair work is planned for two spans linked to mainland Massachusetts while designs for their estimated $4-billion replacements move forward.

Teams representing more than 30 colleges and universities took part in the national finals of the Student Steel Bridge Competition, held May 27-28 at Virginia Tech.

Federal judge's decision clears the way for hundreds of lawsuits to proceed.