Liberty Bridge closure
The Liberty Bridge in Pittsburgh will close to traffic in both directions at 8 p.m. Friday through 5 a.m. Monday, weather permitting.
Crews will continue work on the bridge. When the work is complete, the bridge will open to four lanes.
The outbound Liberty Tunnel and PJ McArdle Roadway will remain open the entire weekend. A single lane will remain open in the inbound Liberty Tunnel. All other traffic will be detoured during the closure.