Crews investigating sinkhole at 21st and Riverside

(TULSA, Okla.) On Monday, city crews narrowed southbound Riverside at 21st Street to one lane to investigate a sinkhole in the roadway. 

Crews started excavation at 11:45 a.m. Once the cause is determined and repairs are made, a crew will repair the roadway. 

As crews work in the roadway, please slow down and give them a safe workspace. If possible, please find an alternate route.