PITTSBURGH - McArdle Roadway in Pittsburgh will be closed Saturday and Sunday from 7 a.m. to 5 p.m., the Department of Mobility and Infrastructure announced.
The closure is happening so that contractors can remove debris along the road between the Liberty Bridge and Grandview Avenue.
The work is being done as preventative maintenance on erosion of the hillside, officials said.
"It's a steep slope, it's not going to be easy to get to. They've got to get high, they'll probably use bucket trucks, cranes and so forth," Pittsburgh Chief Operations Officer Guy Costa said.
The Department of Mobility and Infrastructure learned of the issue after Channel 11 News asked if the situation was safe. No detours will be posted during the closure.
Drivers can take the Liberty Tunnel to northbound Route 51 to Woodruff Street to Merrimac Street to navigate around it.
There was a single-lane restriction in the inbound Liberty Tunnel but both lanes have reopened since then.
The area of Mt. Washington where this occurred is littered with old mine shafts and water runoff. It's also right below where a water main has broken three times this year and flooded the Mon Incline.
"We don't know at this point here. Let's get the rock cleaned up and then investigate what caused it to come. It may have fallen on its own," Costa said.
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