Grant Fire In Alameda County Shuts Down I-580

9:20 p.m. UPDATE: Westbound I-580 has reopened at Grant Line and Mountain House Parkway. Westbound I-205 at I-580 has also reopened, accroding to Alameda County Fire.
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9 p.m. UPDATE: I-580 is closed eastbound at North Flynn Road and Westbound at Grant Line Road. Currently no ETA for CHP to reopen lanes.
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8:15 p.m. UPDATE: The fire is still 500 acres and 20% contained. Eastbound I-580 at North Flynn Road remains closed.
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ALAMEDA COUNTY (CBS13) —  The Grant fire in