Police are assisting with traffic on a section of the Kwinana Freeway where water from a burst water main in the area has flowed.

The left lane of the freeway near the Mill Point Road in South Perth exit has been affected by water and some nearby houses have been inundated.

A burst water main had areas of South Perth looking more like flood-hit Queensland this morning. Photo: Channel Seven News Perth Facebook page.

Motorists are advised to drive with caution and maintain safe speeds.

A spokeswoman from the Water Corporation said it was unknown how the incident occurred.