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Keim Street Bridge (Madison Bridge)

  • Year Built: 1935
  • Type: Warren Pony Truss
  • Number of Spans: 8
  • Length: 720'; largest span is 92'
  • Width: 27'
  • Builder: Unknown
  • Location: Pottstown Borough, Montgomery County and North Coventry Township, Chester County
  • Carries: Keim Street over the Schuylkill River
  • Preservation Assistance: Unknown
  • BRKey: 27901

Built in 1935, the Keim Street Bridge is a riveted Warren pony truss with a polygonal top chord. This eight-span bridge is 720' long and is 27' wide. It carries Keim Street over the Schuylkill River, connecting Pottstown Borough in Montgomery County and North Coventry Township in Chester County, respectively. This bridge is eligible for listing in the National Register of Historic Places.

The character-defining features of this bridge include the truss form (Warren pony with polygonal top chord), method of truss member end connection (riveted), and structural members to include the top and bottom chords, and vertical and diagonal members.

To preserve this historic structure, ownership of the bridge in its entirety will be transferred or by individual spans 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.