Dougherty’s Mills

This project is owned by The Commonwealth of PA., located in Slippery Rock Township, Butler County, PA.

It consists of a bridge replacement (SR 173 over Slippery Rock Creek) with a 196’ two lane single span steel girder bridge. It is to be built on steel beam bearing piles. It includes approach work, drainage, and guide rail.

This project was completed in August 2011.