SCHUYLKILL PERMANENT BRIDGE. 39 



Feet. 



Width of the bridge, - 42 



Curvature of the middle arch, 12 ) The curvatures 

 ditto of small arches - 10 ^ are catenarian. 



Rise of the carriage way - 8 



Height in the clear over carriage 



way - - - - 13 



ditto from surface of the river 



to the carriage way, - - 3 1 



Depth of water to the rock at the 



western pier - - - 41 



ditto at the eastern pier - 21 to 24 



Amount of toll when the work began for 1799, S 5000 



Present rate, (1805.) 13000 



The company have established commodious wharves, 



which were necessarj^ for the safety of the abutments ; 



and add greatly to the improvements of that front of the 



city. 



President and Dhectois at the close of the Work. 



President, Richard Peters. 



Directors. John Dunlap, John Perot, Ebenezer Hazard, 

 Thomas Savery, William Poyntel, Charles Bid- 

 die, Richard H. Morris, George Fox, Peter 

 Browne, John G. Wachsmuth, George Reinhold. 

 Anthony Cuthbert. 



Treasurer. John Dorsey. 



Building Committee. Richard Peters, William Poyntel, An- 

 thony Cuthbert, John Dunlap, Peter 

 Browne, George Fox. 



auxiliary materials required, were employed in this structure. 

 The labour, the cost whereof was a great proportion of the 

 expenditure, was obtained below the common rate, in most 

 instances; owing to the regularity and certainty of payment. 



