Wainibuka Crossing in Tailevu, Vatudede, Nairukuruku and Navulokani Crossing in Naitasiri and Nausori Crossing are closed due to continuous heavy rain.
Fiji Roads Authority says there are 18 roads and two bridges around the country that have been affected.
Coqeloa Temple Road, Lajonia Road, Waidamudamu Timber Bridge in Labasa are also closed to traffic.
Meanwhile, the Nadi Weather Office says the current Flash Flood and Heavy Rain warning have been downgraded to Flash Flood and Heavy Rain alert.
An trough of low pressure that was affecting Fiji has weakened and lies to the north of the group.
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