News Flash

2023 Press Releases

Posted on: March 1, 2023

Montgomery County to Begin Replacement Project of Mill Creek Road Bridge in Lower Merion Township

Montgomery County Seal

NORRISTOWN, PA – Montgomery County Roads and Bridges announced today that construction will begin on Monday, March 6, 2023, to replace the Mill Creek Bridge (County Bridge 6), which has been closed since September 2021 due to severe damage caused by the post-Hurricane Ida floodwaters.

 Under this contract, Montgomery County’s construction contractor will remove and replace the entire existing bridge structure in two phases. The two-phase demolition and construction is necessary due to an active PECO gas main and an active Lower Merion Township sanitary drain, which will both be relocated to the new structure during phase 1 construction.  

 Some of the project features include:

  • Reconstruction of the sidewalk to allow pedestrian crossing on the west side of Mill Creek Road.
  • Widening the roadway to allow for three full traffic lanes; two of which will be full turning lanes approaching Old Gulph Road.
  • Installing extended guiderail to the south and a traffic attenuation barrier on the north side to increase vehicle safety.

The current posted traffic detour will remain in effect throughout the course of the construction project. This established detour will continue to utilize Old Gulph Road, Montgomery Avenue, Morris Avenue and Williamson Road. Motorists are advised to allow extra time when traveling through the area because backups and delays may occur.

The 37 foot long, single span, pre-stressed concrete, box-beam, bridge was originally constructed in 1956. The bridge was identified as being structurally deficient during a routine inspection in 2018 and was scheduled for design and replacement. During the Engineering design phase, the bridge was severely impacted by the post-Hurricane Ida floodwaters and required closure for public safety. The new bridge will be a 39-foot, 6 inch long, single span, pre-stressed concrete, box-beam structure.

R. E. Pierson Construction, Inc. of Pilesgrove, NJ is the general contractor on this $2.6 million project, which is financed with 100% state funds.

For a complete list of construction projects impacting Montgomery County-owned roads and bridges, visit this website.

Information about County owned roads and bridges, including completed work and significant projects, is available at

Media Contact: Kelly Cofrancisco,

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