St. Mary’s Covered Bridge


  • Survey
  • Base Mapping
  • Utility Coordination
  • Historic Preservation
  • Permitting
  • Preliminary and Final Design for Bridge Rehabilitation
  • Preliminary and Final Design Roadway/Highway - Rehabilitation
  • Preliminary and Final Design Roadway/Highway - Safety improvements
  • Traffic Control
  • Erosion Control/NPDES Permitting


Huntingdon County Commissioners, Huntingdon County

Project Details

Huntingdon County Bridge No. 8 (known as St. Mary’s Covered Bridge) is located on Covered Bridge Road over Shade Creek in Cromwell Township.

This project involved the rehabilitation and preservation of the only remaining covered bridge in Huntingdon County. Repair and stabilization of the existing bridge components, with a focus on maintaining the historic character of this bridge, made up the general scope for this project. The repairs were made using in-kind materials and detailing similar to the original structure.

Preserving the original character of the structure while replacing deteriorated members made this project challenging. An interesting component of this project was preparing the main truss components by chipping and sanding paint while preserving the carved graffiti which in some instances was very old.


For over 20 years I have had the privilege of working with Keller Engineers and their staff of surveyors, and civil and structural engineers on over $150 million worth of work. During these project relationships and partnering opportunities, my architectural teams have received nothing but premium professional services and courtesy towards my own staff, clients and prospective clients with stellar attention given to building and site details, client responsiveness and peer respect. I look forward to many more teaming opportunities and urge any other architectural firms, municipalities or clients who have not worked with Keller Engineers to do so. You will be pleasantly surprised! Richard L. Karcher, AIA, NCARB

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