The Colorado Department of Transportation closed Interstate 70 through Glenwood Canyon Wednesday morning due to the possibility of flash floods.
The National Weather Service in Grand Junction issued a Flash Flood Warning for the Grizzly Creek Fire burn scar in the canyon at 8:41 a.m. NWS is expecting excessive rainfall over the area due to thunderstorms which could cause life-threatening flash flooding and debris flows of rock, mud, vegetation and other loose material. The alert lasts until 1 p.m.
The closure of I-70 is between Exit 87 (West Rifle) and Exit 133 (Dotsero).
Local eastbound traffic on I-70 will be allowed east of Exit 109, but motorists should expect delays.
The eastbound detour is to take Colorado Highway 13 from Rifle to Craig, go east on US Highway 40 to Steamboat over Rabbit Ears Pass to Kremmling down Colorado Highway 9 to Silverthorne. The westbound detour is this but in reverse.
CDOT warned that the closure might be extended past the Flash Flood Warning if a new mudslide occurs or a significant amount of slide materials from the mudslide path block the interstate. Crews have already reported some mudslide activity as of 8 a.m.
The stretch of road through Glenwood Canyon has been continually closed throughout the summer and has not been fully repaired. CDOT expected to get the highway entirely up to speed around Thanksgiving.
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