Saltwater Creek Railway Bridge, Railway bridge in Bundaberg, Australia.

The Saltwater Creek Railway Bridge is a railway bridge that crosses Bundaberg Creek in Queensland. It combines a steel plate girder span with timber spans resting on multiple support piers.

The bridge was built in 1894 by James Overend as part of a private railway connecting Bundaberg to the Millaquin sugar refinery. The Queensland Government took over the railway line on 3 December 1912.

Locals call it the Millaquin Bridge after Robert Cran's Millaquin sugar refinery, for which the private line was authorised by an Act of Parliament in 1892. The bridge carried cane trains between Bundaberg and the Woongarra district until the Queensland Government acquired the railway on 3 December 1912.

The structure was reinforced in 1965 with steel girders to support increased loads from modern trains. Visitors can observe the bridge from both sides of the creek for different perspectives.

The bridge relies on screw piles, an advanced late 19th-century engineering method that remains uncommon in Queensland's older structures. This foundation technique allowed the engineers to build a stable structure in soft ground conditions.