Image: An iron and wooden bridge under construction extends across a narrow river. A nineteenth century sailing vessel and a couple of buildings are visible in the background. A wooden-hulled barge with a derrick is moored next to the bridge
Jervois Bridge under construction, c. 1877. A barge with derrick is moored within the footprint of the central span
Courtesy of/Photographer: 
Samuel White Sweet
Citation: 

Image courtesy of the State Library of South Australia, SLSA: B 12241, http://collections.slsa.sa.gov.au/resource/B+12241, Public Domain