{"carrier":{"dot_number":"2065367","legal_name":"SOUTHERN MATERIALS TRANSPORT LLC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"13130 ROAD E","phy_city":"BAY ST LOUIS","phy_state":"MS","phy_zip":"39520","phy_country":"US","phone":"4172241693","mc_number":"MC-722489","mc_number_2":"","mc_number_3":"","carrier_operation":"","hm_indicator":"N","power_units":39,"total_drivers":0,"total_cdl":0,"mcs150_mileage":500000,"mcs150_mileage_year":"2010","mcs150_date":"20100812 1645","add_date":"20100812","officer_1":"MIKE SWEARENGIN","officer_2":"","fleet_size_class":"M","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"R","source":"census","ingested_at":"2026-05-16 01:49:52","updated_at":"2026-05-16 01:49:52"},"crashes":{"total":1,"fatal":1,"injury":1},"safety_scores":[]}