SCHUYLKILL PERMANENT BRIDGE. 39 



Feet. 



Width of the bridge, - 42 



Curvature of the middle arch, 12 / The curvatures 

 ditto of small arches - 10 3 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, - - 31 



Depth of water to the rock at the 



western pier - - - 41 



ditto at the eastern pier - 2 1 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 necessary for the safety of the abutments ; 



and add greatly to the improvements of that front of the 



citv. 



i ' 



President and Directors 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 Conwiittee. Richard Peters, William PojTitel, An- 

 thony Cuthbert, John Dunlap, Peter 

 Browne, George Fox. 



auxiliaiy 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. 



