To bid for trucking loads, you need to first find available loads on load boards or freight marketplaces. Once you have identified a load that you are interested in hauling, you can submit a bid or quote for the load. Your bid should include the rate that you are willing to haul the load for, along with any other relevant details, such as equipment type and delivery timeline. If the shipper or broker accepts your bid, you can proceed with arranging the details of the shipment and delivering the load.