The next section of the Mon-Fayette Expressway is only eight-tenths of a mile long, but it will be a complicated project that includes moving 1.5 million cubic yards of dirt, realigning a local road, and building a 160-foot-tall, 1,300-foot-long bridge.
The Pennsylvania Turnpike Commission on Tuesday authorized the agency to seek bids on the section of the new toll road from Camp Hollow Road in West Mifflin to Pittsburgh-McKeesport Boulevard in Dravosburg, near the Mansfield Bridge. Design Manager Eric Buchan said bids will be advertised in December and work could begin as early as February at an estimated cost of $177.5 million.
Buchan said moving dirt around the site to level off the path of the new roadway is pretty standard construction that takes down hills in some places and fills in valleys in others…