Abraham Witmer' s Bridge At the period immediately succeed- ing the RevolutionaryWar, there was no bridge along the King's Highway over the Conestoga River. There was, how- ever, a public fording. A fording still exists, though now partly cover- ed over by the tracks of the Lancaster and Eastern

part is now presented for the first time and the whole of it put in form to be of interest, if not of value. The recent destruction of the Columbia bridge prompted my writing a sketch of it, so that there might be a record made of its continuous history, and I will open this paper with that sketch

The Fifth Columbia-Wrightsville Bridge Robert S. Mayo, C. E. Until November 11, 1930, all the main line traffic of U.S. 30, the Lincoln Highway, crossed the Susquehanna on a bridge of the Pennsylvania Railroad. This was a single-track bridge, the ties of which were covered with wood planks to give

The First Columbia &i4 By Robert H. GOODELL On March 28, 1809, an act of Assembly was approved, which authorized the Governor of Pennsylvania to incorporate a company for the purpose of making and erecting a bridge over the Susquehanna. River in Lancaster County, at or near the town of Columbia