Officials monitor GF-EGF bridges
Published 03/30/2009, Grand Forks Herald
Chicago-based firm tests new sonar technology on Kennedy, Sorlie bridges
Authorities are keeping a close watch on the integrity of the Kennedy Bridge — the Grand Cities’ only remaining link over the flooded Red River. “We’re not doing this because we think we have a safety concern. We’re doing it because it’s a critical link,” bridge engineer Roger Hille said.