IMO-9550395 Swan River Bridge

[@Roel](http://freoview.wordpress.com/2013/10/12/swan-river-bridge-in-fremantle-port/): it looks like this is IMO-9550395 Swan River Bridge’s<a href="http://static.samwilson.id.au/2013/swan-river-bridge/" title="Local archive">[a]</a> third visit to Freo this year. Can’t find any information about why it got its name, unfortunately.