Loyalsock Creek Railroad Bridge


  • Survey
  • Base Mapping
  • Preliminary and Final Design of Bridge and Bridge Rehabilitation
  • Permitting
  • Erosion Control/NPDES Permitting
  • Construction Management
  • Construction Inspection


SEDA-COG Joint Rail Authority, Lycoming County

Project Details

Located on the Lycoming Valley Railroad between Montoursville and Williamsport, this structure replaced an 85-year-old bridge that was heavily damaged by Tropical Storm Lee in September 2011.
The new three-span, 476’ long steel bridge was designed to withstand frequent flooding on Loyalsock Creek by increasing the waterway opening by 50% and supporting the concrete foundation on steel piles driven to bedrock. The three-span configuration was selected to minimize the number of piers within the creek and to permit construction beneath overhead transmission lines at the site. Additional work performed included:

  • 1,700’ of track realignment, construction management and construction inspection
  • rehabilitation of an adjacent 2-span deck girder bridge
  • one at-grade crossing
  • one turn-out
  • various utility relocations


We have teamed with Keller Engineers on several design-build projects for PennDOT. When selecting a designer, the more critical factors are trust and competence, more so than a low price. If your designer makes a mistake in quantities it can cost you a lot of money. We have stayed with Keller Engineers because we trust them to provide competent service at a competitive price.  S. Scott Grannas, Vice President Grannas Bros. Stone & Asphalt Co., Inc.

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