PIERRE — Members of the South Dakota Transportation Commission were treated to a tour of the John Waldron Memorial Bridge construction site Thursday following their regular meeting. During the meeting, Pierre Region Engineer Jason Humphrey told Commissioners the construction is now a year and a half behind…
Humprey says the Pierre Shale under the Missouri River proved nearly too tough to cut into…
Humprey says the drilled shafts utilize that shaft to hold the bridge up…
Humprey says they brought in one of the best drillers in the country to get the project moving again. Crews finished the 11th of 12 drilled shafts Thursday and started work on drilled shaft 12 on Friday.
