PITTSBURGH, PA — Prepare for more evening traffic headaches on the Parkway North.
The Allegheny County Department has announced today the upcoming schedule for the overnight closures of the parkway and the I-279/I-579 High Occupancy Vehicle lanes in Pittsburgh, Ross and Ohio townships.
The closures are necessary to demolish Jacks Run Bridge No. 3, which carries Jacks Run Road over I-279 between Bellevue Road/Bellpark Drive and Kane Lane in Ross.
Monday night (August 3) to Friday morning (August 7)
The parkway northbound (outbound) will be fully closed between the McKnight Road/Evergreen Road exit ramp (Exit 4) and the on-ramp from Camp Horne Road from 9 p.m.-5 a.m. nightly.
The parkway/I-579 HOV northbound (outbound) lanes will be closed from 8 p.m.-6 a.m. nightly.
The left lane of parkway southbound (inbound) under Jacks Run Road will be closed from 7 p.m.- 6 a.m. nightly.
Friday night (August 7) to Saturday morning (August 8)
The parkway9 northbound (outbound) will be fully closed between the McKnight Road/Evergreen Road exit ramp (Exit 4) and the on-ramp from Camp Horne Road from two hours after the 6:40 p.m. Pittsburgh Pirates game at PNC Park concludes (or 9 p.m. if the game is postponed) until 9 a.m.
The parkway/I-579 HOV northbound (outbound) lanes will be closed from two hours after the Pirates game concludes (or 9 p.m. if the game is postponed) until 10 a.m.
The left lane of the parkway southbound (inbound) under Jacks Run Road will be closed from 7 p.m.-0 a.m.
Aas previously announced, a portion of the parkway and the/I-579 HOV lanes will also be closed this weekend:.
When the parkway northbound (outbound) is fully closed:
Northbound traffic will be detoured back to I-279 using McKnight Road, Babcock Boulevard, Rochester Road, Lowries Run Road, and Camp Horne Road.
Union Avenue traffic to the parkway will be detoured using Gass Road, Highland Avenue, Perry Highway, Rochester Road, Lowries Run Road, and Camp Horne Road.
Cemetery Lane traffic to the parkway northbound will be detoured using Perry Highway, Rochester Road, Lowries Run Road, and Camp Horne Road.
When the parkway southbound (inbound) is fully closed:
Southbound traffic will be detoured back to I-279 using Camp Horne Road, Lowries Run Road, Rochester Road, Babcock Boulevard and McKnight Road.
Ssouthbound traffic to Union Avenue in Ross will be detoured using Camp Horne Road, Lowries Run Road, Rochester Road, Perry Highway, Highland Avenue, and Gass Road.
Southbound traffic to Cemetery Lane in Ross will be detoured using Camp Horne Road, Lowries Run Road, Rochester Road, and Perry Highway.
Periodic closures of the parkway and the I-279/I-579 HOV lanes are expected through August.
The parkway and HOV lanes are maintained by PennDOT. The section of the parkway near Jacks Run Bridge No. 3 is used by an
I-279 and the I-279/I-579 HOV lanes are maintained by the Pennsylvania Department of Transportation (PennDOT). The section of the parkway near Jacks Run Bridge No. 3 is used by an average of 73,367 vehicles daily.
The Jacks Run Bridge No. 3 was closed in July 2005, after inspectors identified corrosion in the bridge's only pier. The bridge carried an average of 4,631 vehicles daily .
Construction of a new $2.8 million bridge will take place as a separate project that is expected to begin next year.