Begin Main Content Area

Cedar Street Bridge

(Franklin County Bridge No. 481)

  • Year Built: 1876
  • Type: Double Intersection Pratt (Whipple) Thru Truss
  • Number of Spans: 1
  • Length: 119'
  • Width: 15'
  • Builder: T. & S. White of New Brighton, PA
  • Location: Saint Thomas Township, Franklin County
  • Carried: Cedar Street (TR 481, formerly Feed Mill Road) over Back Creek
  • Preservation Assistance: No
  • BRKey: 17726

The Cedar Street Bridge is a double intersection Pratt thru truss (also referred to as a Whipple truss) built in 1876 by T. & S. White of New Brighton, Pennsylvania. This single-span bridge is 119' long and 15' wide with a vertical clearance of 20'. It is located in Saint Thomas Township, Franklin County, where it carried Cedar Street (TR 481, formerly Feed Mill Road) over Back Creek until it was closed to vehicular traffic in the mid-1980s. This bridge is eligible for listing in the National Register of Historic Places.

The character-defining features of this bridge include the truss material (wrought iron), truss form (Whipple), method of truss member end connection (pinned), structural members to include the top and bottom chords, vertical and diagonal members, sway bracing, features of the portal and builder plaques.

To preserve this historic structure, ownership of the bridge in its entirety will be transferred to an interested party for removal to a new location. The new owner will be responsible for costs associated with removal, rehabilitation and long-term maintenance of the structure. If you or your organization is interested in assuming ownership of this historic bridge, please contact Tyra Guyton of the Pennsylvania State Historic Preservation Office at or at 717-346-0617 or Jeremy Ammerman of PennDOT District 8 at or at 717-705-2667.