| South Creek Bridge crosses South Creek at St Marys, to the east of Penrith on the Great Western Highway. It is likely that two or even three generations of timber bridges crossed South Creek on the Great Western Road prior to the construction of the current bridge in 1934. Evidence of a previous crossing is located approximately fifty metres upstream. This crossing is evidenced by Bridge and Lachlan Streets which form a kink across South Creek. Lachlan Street is currently disused and is fronted by the remains of a 19th century building. The subject bridge is constructed on a skew on the straighter new alignment reflecting the changing relationship between roads and bridges in the 1930s and technological changes wherein bridges could be more flexibly designed to accommodate a smooth line of road, where previously lines of road were forced to bend to meet the straightest opportunity for a waterway crossing. A duplicate structure was constructed directly upstream of the subject bridge in 1986. The new structure carries westbound traffic and the 1934 structure carries eastbound traffic. |
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