Office of Mayor William Peduto
Parkway East To Be Closed For Five Days, Greenfield Bridge Demolition Scheduled for Monday

PITTSBURGH, PA (Dec. 23, 2015) - The City of Pittsburgh Department of Public Works, in conjunction with PennDOT and Mosites Heavy Construction, remind commuters that full-lane closures of I-376 East will begin on Sunday, Dec. 27 at 6:00 a.m. The closure is permitted to last until Friday, Jan. 1 at 6:00 a.m. but project officials expect to reopen the parkway sooner, weather depending.

The five-day closure of the Parkway East is necessary to execute the implosion and site cleanup of the Greenfield Bridge. Implosion of the Greenfield Bridge is currently scheduled for Monday, Dec. 28 at 9:00 a.m.

I-376 Closures and Detours

The eastbound (outbound) closures will begin at Oakland (Exit 72A). All outbound traffic will be directed to the posted detour starting at Exit 72A. The Bates St. outbound entrance ramp will be closed and the Greenfield outbound entrance ramp to Monroeville will be closed. A map of the eastbound closures and detours can be found here.

The westbound (inbound) detour will begin at Wilkinsburg Exit 78B. Inbound traffic traveling from the east will be directed to the posted detour starting at Exit 78B. All truck traffic must follow the posted detour that begins at Wilkinsburg Exit 78B. Westbound traffic will be reduced to a single lane between Exit 78B and Exit 77. Motorists traveling westbound will have access to the Edgewood/Swissvale Exit 77 off-ramp. Use of the Edgewood/Swissvale westbound exit ramp is intended for local traffic only. The Edgewood/Swissvale and Squirrel Hill/Homestead on-ramps to I-376 inbound will be closed. Motorists traveling westbound out of Oakland on the Boulevard of the Allies will be able to access I-376 westbound at the Boulevard of the Allies entrance ramp. Motorists in Downtown Pittsburgh will be able to access I-376 westbound at Grant Street (71A). A map of the westbound detours and closures can be found here.  

Police officers will be on site at critical intersections on the posted detour routes to assist with traffic flow and ensure safety for all roadway users. Motorists should expect significant delays on posted detour routes.

Implosion Day

City of Pittsburgh police officers will assist with street closures in Greenfield starting at 7:00 a.m. on Monday, December 28. Police will begin to reopen streets within 30 minutes of the demolition once an “All Clear” notification from the demolition project team has been issued.

Greenfield residents in the immediate area closest to the bridge have been notified of the demolition. Project officials urge all residents to stay inside their homes, away from windows. Evacuation has been recommended for several residences within close proximity to the demolition site. City officials have been in direct contact with all those facing this cautionary evacuation measure.

Implosion is scheduled for 9:00 a.m. on Monday, Dec. 28. Three minutes prior to implosion, officials will sound an air horn. One minute prior to implosion, emergency vehicles in the Greenfield area will blare sirens simultaneously.

Implosion Day Street Closures

The following local streets will be closed to all traffic except local residents (proof of address will be required to gain access) starting at 7:00 a.m. on implosion day:

  • McCaslin St. closed from Greenfield Ave. to Monteiro St.
  • Monteiro St.  closed from McCaslin St. to Flemington St.
  • Graphic St. closed from Monteiro St. to Flemington St.
  • Flemington St. (eastbound only) closed at Graphic St.
  • Nantasket St. from Greenfield Ave. to Neeb St. (closed to dead end of Neeb St.)
  • Alger St. from Hoosac St. to Nantasket St. (closed to Beechwood Blvd.)
  • Donegal Way from Hoosac St. to Nantasket St. (also closed from Winterburn St. to Ronald St.)
  • Beechwood Blvd. (outbound) from 200 feet short of I-376 Monroeville On-Ramp to Forward Ave.
  • Beechwood Blvd (inbound) from Monitor St. to 200 feet short of I-376 Monroeville On-Ramp
  • Forward Ave. access to Beechwood Blvd outbound only.
  • 400' of Boulevard Dr. (south of Beechwood Blvd.)
  • Saline Street inbound at Greenfield Ave.
  • Pocusset Street from Phillips St. to Schenley Park
  • Prospect Drive from Hobart St. to Schenley Park
  • Greenfield Road will be closed at Panther Hollow Road
  • Overlook Drive will be one way from Panther Hollow Road to Greenfield Rd. (no entry to Overlook Drive from Greenfield Road)

The following local streets are within the blast Exclusion Zone and will be closed to all vehicular and pedestrian traffic beginning at 7:00 a.m. on implosion day:

  • The ends of Saline and Naylor Streets on the north side of I-376
  • Neeb St. from Nantasket St. to Winterburn St.
  • Winterburn St. from Greenfield Road to dead end
  • Alger St. from Nantasket St. to Beechwood Blvd.
  • Ronald St. from Greenfield Ave. to Beechwood Blvd.
  • Beechwood Blvd. from Alger St. to 200 feet short of I-376 Monroeville On-Ramp
  • Boulevard Drive from Beechwood Blvd. to 400 feet short of end
  • Greenfield Road in Schenley Park
  • Pocusset St. in Schenley Park

Vehicles will be permitted to leave the Exclusion Zone but will not be allowed to reenter.

The City of Pittsburgh Bureau of Police will have a command post on site, Pennsylvania State Police will be providing assistance and support.

Members of the public interested in observing the demolition will have viewing access on Overlook Drive in Schenley Park.

The I-376 East closures will be administered by Mosites, the contractor that is overseeing the Greenfield Bridge reconstruction project. The closures are necessary to allow Mosites to perform preparation work for the upcoming implosion of the Greenfield Bridge. Full details on the Greenfield Bridge closure and Reconstruction Project can be found here.



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