County Bridge No. 54, Pollocks Mill Bridge)
- Type: Double Intersection Pratt (Whipple) Thru Truss
- Number of Spans: 1
- Length: 163'
- Width: 15'2"
- Builder: Massillon Iron Bridge Builders of Massillon Ohio
- Location: Mogan & Jefferson Townships, Greene County
- Carries: Mahle Road (TR-597) over Ten Mile Creek
- Preservation Assistance: Unknown
- BRKey: 18518
The Mahle Road bridge is pin connected Double Intersection Pratt thru truss (also referred to as a Whipple truss), built circa 1878 by the Massillon Iron Bridge Builders of Massillon, Ohio. This single span bridge is 163' long and 15'2" wide with a vertical clearance of 11'2". It carries Mahle Road (TR-597) over Ten Mile Creek between Morgan and Jefferson Townships in Greene County and 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. This bridge is a very early and an uncommon metal truss bridge type and features early details to include rolled I sections with cover plates riveted to the flanges and cast chafing guards/guides for the diagonals and pin plates riveted to the ends of the verticals to facilitate connection at the panel points.
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 firstname.lastname@example.org or at (717) 346-0617.