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Route 51 Bridge over Interstate 70 Beam Setting in Westmoreland County


Uniontown, PA – Pennsylvania Department of Transportation (PennDOT) District 12 is announcing that single-lane restrictions on Route 51 and Interstate 70 are scheduled today through Wednesday in Rostraver Township, Westmoreland County.

A single-lane restriction is in place:

  • On northbound Round 51.
    • Between Ridge Road and Concord Lane.
  • From Monday, December 18.
  • To Wednesday, December 20 at 4:00 PM. 

Rolling single-lane restrictions will be in place:

  • On westbound I-70.
    • Between Exit 49 (Smithton) and Exits 46A/46B (Route 51).
  • On eastbound I-70.
    • Between Exit 44 (Arnold City) and Exits 46A/46B (Route 51).
  • From Tuesday, December 19 at 8:00 PM, overnight.
  • To Wednesday, December 20 at 6:00 AM. 

Crews from Golden Triangle and JC Lee will be setting beams for the new bridge carrying Route 51 over I-70.

This work is part of the $120.6 million Interstate 70 Project involving the widening and reconstruction of Interstate 70 along with the reconstruction of the Route 51 Interchange (Exit 46) to replace it with a Diverging Diamond Interchange (DDI). To accommodate the new interchange, the plans include one mile of reconstruction and widening on Route 51, and several intersecting roadways, including the relocation of Finley Road and Route 981. The project is anticipated to be complete in October 2027.

Remain alert and follow the posted signs and speed limits. Safety is everyone's responsibility.

Motorists can check conditions on major roadways by visiting 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 1,000 traffic cameras. 511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following local alerts on X

Subscribe to PennDOT news and traffic alerts in Fayette, Greene, Washington, and Westmoreland counties at District 12

Information about infrastructure in District 12, including completed work and significant projects, is available at District 12 Accomplishments and PennDOT's planned and active construction projects at PA Transportation Projects

Find PennDOT news on X, Facebook, and Instagram.

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Contact: Laina Aquiline, or 724.415.3748