USACE Omaha District Photos

Lyle Peterson, civil engineer, U.S. Army Corps of Engineers, Omaha District, drags a chain across one of the bridges at the Big Bend Dam near Fort Thompson, S.D., Sept. 23, 2019. Chaining allows bridge inspectors to determine whether or not there are any underlying problems beneath the surface of the bridge which require repairs to keep the bridge safe and operational. (photo by Mike Glasch)

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Photo by: Mike Glasch |  VIRIN: 200401-A-VX653-002.JPG