A collision on the Ballard Bridge blocked all northbound and southbound lanes for about an hour Friday evening.

Drivers were advised to choose alternative routes. King County Metro’s RapidRide D Line was rerouted to the Fremont Bridge.

According to the Seattle Department of Transportation, the crash occurred around 5:30 p.m. and both lanes were still blocked around 6:30 p.m. Traffic maps showed slowdowns on 15th Avenue Northwest, Leary Way Northwest, West Nickerson Street and the Fremont Bridge.

Motorists are advised to drive cautiously during the weekend’s rainy weather.

This story will be updated.

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