The Stewart Aqueduct (or Steward Aqueduct) in Smethwick, West Midlands (but formerly in Staffordshire), England carries the BCN Old Main Line Canal (1770) over the BCN New Main Line Canal (1828). Alongside and above the New Main Line Canal is the Stour Valley section of the West Coast Main Line (1852), all three being bridged by the M5 motorway (c.