convoy of big rigs semi trucks with different semi trailers running on the truss columbia river international bridge in sunny day

american bascule big bridge business cargo carrier carries carry chassis columbia commercial connection convoy delivering delivery diesel drawbridge driving ecofriendly efficient eighteenwheeler engine fifth fleet freight guard haul hauler heavyduty highway industrial intersection interstate lifting loads local logistic logistics long lorry moving northwest pull rig rigs river road route running safety semi semitruck shipping spoiler sunny tractor traffic trailer trailers transport transportation transporting travel truck trucking trucks truss wheel wheels