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.



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