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Bertolet School Road Bridge

(Chester County Bridge No. 196, Tyson's Bridge)

  • Year Built: 1905
  • Type: Warren Pony Truss
  • Number of Spans: 1
  • Length: 88'
  • Width: 16'
  • Builder: John Denithorne & Son of Phoenixville, PA
  • Location: East and West Vincent Townships, Chester County
  • Carries: Bertolet School Road (TR 502) over South Branch of Bear Creek 
  • Preservation Assistance: No

The Bertolet School Road Bridge is a riveted Warren pony truss constructed in 1905 by John Denithorne & Son of Phoenixville, PA, an important Pennsylvania bridge builder. This single-span bridge is 88' long and 16' wide. It carries Bertolet School Road (TR 502) over South Branch of Bear Creek, connecting East and West Vincent Townships in Chester County and is eligible for listing in the National Register of Historic Places.

The character-defining features of this bridge include the truss form (Warren pony), method of truss member end connection (riveted), structural members to include the top and bottom chords, vertical and diagonal members and lattice railing. An unusual feature of this bridge is the U-bolt floorbeam hangers.

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 Monica Harrower of PennDOT District 6 at or at 610-205-6709.