PITTSBURGH — The ramp carrying traffic from southbound I-579 to the outbound Boulevard of the Allies in Pittsburgh will close this Sunday for bridge inspection activities.

The Pennsylvania Department of Transportation announced that the closure is scheduled to take place from 6 a.m. to noon, weather permitting. Crews will inspect the ramp that carries traffic to Route 885 during the six-hour window.

Traffic attempting to travel from southbound I-579 to southbound Boulevard of the Allies will be detoured while work is underway in Allegheny County.

Posted detours:

Southbound I-579 to southbound Boulevard of the Allies

From southbound I-579, continue past the closed ramp toward Routes 19/51/Liberty BridgeContinue through the Liberty TunnelTurn right onto the ramp to north truck 19/north 51 (Saw Mill Run Boulevard)Follow north Route 19/51 (Saw Mill Run Boulevard) toward West End Bridge/DowntownTake the right-hand off-ramp to Route 51/Route 837 toward McKees Rocks/West EndContinue on southbound Route 837 (West Carson Street)Take the ramp to East I-376/North I-279 onto the Fort Pitt BridgeTake Boulevard of the Allies/Liberty Avenue/PPG Arena (Exit 70A) exitBear right for Boulevard of the AlliesEnd detour

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