JENSEN BEACH, FL (WFLX) - UPDATE: The Florida Forestry Service says 100 percent of the 90 acre is now contained.
Previously: The Martin County Sheriff's Office has rerouted traffic in Jensen Beach due to an out-of-control brush fire.
Deputies have shut down Jensen Beach Boulevard and are directing traffic to Pine Crest Lakes Blvd.
The sheriff's office has also shut down Green River Parkway and Savannah Road as well Jensen Beach Blvd, and Golden Rod.
No homes are threatened.
One deputy is being treated for smoke inhalation, according to the Martin County Sheriff's Office.
According to the Florida Forest Service, the fire spans 90 acres.
It says Martin County Fire Rescue is conducting "structure protection" on the pavilion at Savannas Preserve State Park.
Fire Rescue spokesman Jon Belding said a planned burn at the Savannas Preserve State Park may have jumped and caused the brush fire some time before 2 p.m.
As of 2:45 p.m. the fire was holding at Jensen Beach Boulevard and the Green River Parkway, according to the Florida Forest Service.
The Florida Forest Service is concerned about shifting winds. It says Martin County Fire Rescue has units inside every community along Jensen Beach Boulevard and Green River Parkway.
Laurie K. Blandford, Scripps Treasure Coast Newspapers, contributed to this report.