The Allegheny County Department of Public Works announced Friday the upcoming closures of portions of I-279 and the I-279\/I-579 High Occupancy Vehicle (HOV) lanes in Pittsburgh, Ross Township and Ohio Township. <\/p>\n
The closures are necessary for the demolition of Jacks Run Bridge No. 3. This bridge carries Jacks Run Road over I-279 between Bellevue Road\/Bellpark Drive and Kane Lane in Ross.<\/p>\n
From Saturday night into Sunday morning, the right lane of I-279 northbound (outbound) under Jacks Run Road will be closed from 7 p.m. to 5 a.m. Additionally, the I-279 North on-ramp from Cemetery Lane will be closed during the same hours.<\/p>\n
From Monday night to Friday morning, I-279 northbound (outbound) will be fully closed between the McKnight Road\/Evergreen Road exit ramp (Exit 4) and the I-279 North on-ramp from Camp Horne Road from 9 p.m. to 5 a.m. nightly. <\/p>\n
During this period, the I-279\/I-579 HOV northbound (outbound) lanes will be fully closed from 8 p.m. to 6 a.m. nightly and a single lane of I-279 southbound (inbound) under Jacks Run Road will be closed from 7 p.m. to 6 a.m. nightly.<\/p>\n
The right-lane shoulder of I-279 northbound (outbound) under Jacks Run Road will also be closed during daytime hours, from 5 a.m. to 7 p.m., from Monday through Friday.<\/p>\n
From Friday night to Saturday morning, I-279 northbound (outbound) will be fully closed from 8 p.m. to 10 a.m. between the McKnight Road\/Evergreen Road exit ramp (Exit 4) and the I-279 North on-ramp from Camp Horne Road. <\/p>\n
Concurrently, I-279 southbound (inbound) will be fully closed from 8 p.m. to 10 a.m. between the Camp Horne Road exit ramp (Exit 8) and the I-279 South entrance ramp from McKnight Road. A single lane of I-279\/I-579 HOV northbound (outbound) will be closed, with traffic at the McKnight Road exit diverted off the HOV from 7 p.m. to midnight. After midnight, the HOV will be fully closed until 6 a.m. on Aug. 3.<\/p>\n
From the night of Aug. 1 to the morning of Aug. 2, I-279 northbound (outbound) will be fully closed between the McKnight Road\/Evergreen Road exit ramp (Exit 4) and the I-279 North on-ramp from Camp Horne Road from 7 p.m. to 10 a.m. I-279 southbound (inbound) will also be fully closed from 7 p.m. to 10 a.m. between the Camp Horne Road exit ramp (Exit 8) and the I-279 South entrance ramp from McKnight Road. <\/p>\n
From the night of Aug. 2 to the morning of Aug. 3, I-279 northbound (outbound) will be fully closed between the McKnight Road\/Evergreen Road exit ramp (Exit 4) and the I-279 North on-ramp from Camp Horne Road from 6 p.m. to 5 a.m. I-279 southbound (inbound) will be fully closed from 6 p.m. to 5 a.m. between the Camp Horne Road exit ramp (Exit 8) and the I-279 South entrance ramp from McKnight Road. <\/p>\n
All scheduled demolition work is weather-dependent and cannot proceed during heavy rainfall or lightning. PennDOT maintains I-279 and the I-279\/I-579 HOV lanes.<\/p>\n
When the I-279 North on-ramp from Cemetery Lane is closed, traffic will be detoured using Perry Highway, Rochester Road, Lowries Run Road and Camp Horne Road.<\/p>\n
During full closures of I-279 northbound (outbound), traffic will be detoured back to I-279 using McKnight Road, Babcock Boulevard, Rochester Road, Lowries Run Road and Camp Horne Road. <\/p>\n
Union Avenue traffic heading to I-279 northbound will use Gass Road, Highland Avenue, Perry Highway, Rochester Road, Lowries Run Road and Camp Horne Road. <\/p>\n
Cemetery Lane traffic to I-279 northbound will follow Perry Highway, Rochester Road, Lowries Run Road and Camp Horne Road.<\/p>\n
When I-279 southbound (inbound) is fully closed, traffic will be detoured back to I-279 using Camp Horne Road, Lowries Run Road, Rochester Road, Babcock Boulevard and McKnight Road. <\/p>\n
For I-279 southbound traffic to Union Avenue in Ross, the detour includes Camp Horne Road, Lowries Run Road, Rochester Road, Perry Highway, Highland Avenue and Gass Road. I-279 southbound traffic to Cemetery Lane in Ross will be detoured using Camp Horne Road, Lowries Run Road, Rochester Road and Perry Highway. Jacks Run Bridge No. 3 previously carried an average of 4,631 vehicles daily.<\/p>\n
Periodic closures of I-279 and the I-279\/I-579 HOV lanes are expected to continue through August. A detailed schedule of closures for each upcoming week will be released every Friday until the work is complete. Construction of a new bridge is expected to begin in 2027 as a separate project.<\/p>\n
Jacks Run Bridge No. 3 was closed on July 3, 2025, after inspectors identified corrosion in the bridge\u2019s only pier. The Federal Highway Administration is funding the entire $2.8 million project, which began on April 27, 2026. <\/p>\n
The Pennsylvania Department of Transportation (PennDOT) is overseeing the federal funds for the project, with Swank Construction Company of New Kensington serving as the primary contractor. The section of I-279 near Jacks Run Bridge No. 3 is used by an average of 73,367 vehicles daily.<\/p>\n
Download the FREE WPXI News app<\/a> for breaking news alerts.<\/p>\n Follow Channel 11 News on Facebook<\/a> and Twitter<\/a>. | Watch WPXI NOW<\/a><\/p>\n TOP STORIES FROM CHANNEL 11 NEWS <\/p>\n \u00a92026 Cox Media Group<\/p>\n