Blackhawk Road Retaining Walls
This soldier pile and timber lagging project included a cast-in-place concrete face on the front of the wall. Piles were placed in drilled shafts. The retaining wall extended for one mile and allowed Blackhawk Road to be widened from 2-lane to 4-lane.
![Blackhawk Road Retaining Walls](https://www.helmgroup.com/wp-content/uploads/2020/09/Blackhawk-Road-e1598976631836.jpg)