Forest road 1N05 should be decent. The mudslides and flooding is occurring below the El Dorado burn areas. The El Dorado fire stopped mostly at then Forsee Creek trail and nothing else east.
With that said 1N05 is a little rough, specially before Aspen Grove trailhead. I don’t know if you want to take a low profile vehicle but if you are very careful it should make.
If you are unsure then you can park at Heart Bar kiosk and hike 1/2 mile on 1N02 then follow trail/gate across from horse camp. Take that trail across meadow to Santa Ana River trail. Go west to sign post to go south to 1N05/Aspen Grove parking/trailhead. It adds about 2 miles each way but it can be a nice hike if done early or later in the day.