Ross Hill Road Bridge


  • Survey
  • Easement Right-of-Way Plans
  • General and Joint Permits
  • Erosion/Sedimentation Control Plans
  • Design and Build - Bridge Replacement
  • Design and Build - Road/Highway Rehabilitation and Safety Improvements
  • Drainage/Stormwater Management Improvements
  • Utility Engineering/Coordination
  • Construction Consultation
  • Construction Inspection


Gregg Township, Centre County

Project Details

This project is the replacement of the existing 54’ long three span encased steel I-beam Bridge that carries T-468 (Ross Hill Road) over Penns Creek in Gregg Township, Centre County. The bridge is located adjacent to the T-intersection of T-468 (Ross Hill Road) and SR 2012 (Penns Cave Road).   This project offered several design challenges that made the use of twin cell 26’-0” x 6’-0” box culverts the chosen alternative.

Project Uniqueness/Challenges:

  • Providing intersection turning radii on the structure (end segments of the culvert were splayed).
  • Limiting increase in roadway profile due to intersection and hydraulics (box culverts allowed for shallowest superstructure depth).
  • Minimize impacts to the bed in backs EV Wetlands. (Primary cell aligned with stream channel, secondary cell contained a 1’-6” weir that will help maintain existing wetlands).
  • Reducing construction duration (Minimize impacts to the Amish community impacted by the detour).

The final product included 250’ of roadway work on T-468 and 200’ of widening, profile adjustment and overlay on SR 2012.



Keller Engineers has been an extremely valuable asset for us in the development/construction of our store sites by providing accurate and timely structural and site development drawings and answers to related questions.  Their response and turn-around time to the Sheetz Store Development Department has been outstanding. We have no hesitation in turning to Keller Engineers for our store structural and site development needs. Joe S. Sheetz, Executive Vice President, Finance & Store Development Sheetz Corporation

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