SH 356 begins at a junction with SH 183 in Irving. It heads east from this junction through Irving to an intersection with Loop 12. SH 356 reaches its eastern terminus at I-35E in Dallas.
It is known locally as Irving Boulevard for most of its length; a small section on the eastern end is designated as Commonwealth Boulevard, which connects Irving Boulevard to I-35E. It runs through downtown Irving and a heavily industrialized portion of Dallas between the Trinity River and State Highway 183.