Officials are unsure how long a road leading to Harvey Gap State Park north of Silt will remain closed, following a partial collapse Sunday.

A timeframe for repairs and a possible reopening of the road were uncertain Monday as the Garfield County Road and Bridge Department continued to investigate the cause of the collapse, according to a news release from the county.

Officials closed the road around 7 p.m. Sunday from Odin Drive to the Harvey Gap swim beach due to the road damage.

While a news release from the Garfield County Sheriff’s Office Sunday stated the damage was due to a breached ditch leading out of the Harvey Gap Reservoir, Monday’s announcement by the county said the circumstances that led to the road’s integrity being compromised were unknown.

The county is working with the Silt Water Conservancy District to determine the cause of the collapse, which is needed before repairs can start.

Citing safety concerns, the county placed additional barricades to deter motorists from attempting to drive on the road.

“We realize the use of alternate routes causes a serious inconvenience to travelers and potential fishing in Harvey Gap,” Deb Fiscus, road and bridge director, said in the news release. “But the road is now a serious safety concern, and we need to warn people of the risk by barricading this road. No travel will be allowed here until we can implement repairs that will provide a safe route into the area from Silt.”

Harvey Gap State Park remains open. Travelers are advised to use an alternate route on Grass Valley Road west from New Castle or east from Rifle.