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    I-78 Lenhartsville Bridge Replacement Project

    I-78 Lenhartsville Bridge

    Project Overview

    County: Berks
    State Route: SR 0078-LBR (Interstate 78)
    Local Name: I-78 Lenhartsville Bridge Replacement Project
    Project Type: Bridge Replacement and Auxiliary Lane Addition
    Design and Construction Cost: $131.7 million
    Start of Construction: July 2024
    Anticipated Bridge Completion: Summer 2028
    Designer: Michael Baker International
    Last Updated: June 2025

    View Project History & Funding

     

    The I-78 Lenhartsville Bridge was built in 1955 and was last rehabilitated in 1985. This bridge is in a rural setting and crosses Maiden Creek in Greenwich Township, Berks County. It also serves as an overpass to PA-143. The bridge carries about 50,000 vehicles daily, approximately 30 percent of which is truck traffic.

    The purpose of the I-78 Lenhartsville Bridge Replacement Project is to replace the existing bridge over Maiden Creek and PA-143 and widen it to accommodate the addition of auxiliary lanes and full inside and outside shoulders on I-78 in each direction. These modifications will provide a consistent typical section along the I-78 corridor.

    The project is intended to address the substandard I-78 westbound deceleration and I-78 eastbound acceleration lane lengths to and from the PA-143 interchange.

    Spring 2025 Updates

    Construction on the I-78 Lenhartsville bridges and roadways continues under H&K Group in Stage 2. Crews are focused on building new bridge foundations and adjusting roadways. The next traffic switch is expected in the fall of 2025, ensuring minimal disruption as work progresses.

    Map of Lenhartsville Bridge Project

    View from Abutment 2 WB showing Stage 2 foundation work

    Excavation is complete, and rebar is in place for the new pier footing. The existing WB bridge is on the left with live traffic. Construction activity continues south toward Abutment.

    Lenhartsville looking west

    Pier 3 EB Stage 2 footer rebar installation

    Workers are placing and tying rebar cages for the pier footer within the cofferdam. Vertical column steel is set, and the structure is prepped for the next concrete pour. Existing WB bridge is visible overhead.

    Lenhartsville pier 3

    Stay Informed

    To stay informed, share feedback, or be added to the project mailing list, please email PublicInformationOffice@pennbridges.com.