(1) End spans - the distance between the end of superstructure and the centre of the nearest pier. (2) Intermediate spans - the distance between the centres of piers. For design purposes the span length is the length between centres of supports
Peter Milne and Kieran Sharp, ARRB Group, and Bob Ungers, consultant, Austroads Glossary of Terms (4th Ed.), Austroads Ltd., Sydney, NSW, Australia 2010. http://www.bicyclensw.org.au/files/u1/Austroads_Gl ossary_of_Terms_4th_edition.pdf (Road Trfc and Transp Sfty - Brit) {529}