The buildings are now mostly ruins, though extensive walls and arches remain.
The arches remain standing in what is now the International Zone of Baghdad.
That had to be done carefully to ensure that an arch of soil remained to leave a tunnel between the holes.
Only the arches, which are clearly Norman, and a single child's coffin, remain from the original church.
Though the arch remains, two ornate walls at either side of it have collapsed during the 20th century.
The exterior was formed by 80 Doric arcades of four stories each, but only two arches now remain.
One of those was lost in flooding of the in 1933, A single arch remains.
Only the triumphal arch and the sidewalls remain from this period.
This is not immediately obvious as no Norman doorways or arches remain.
Only one arch remains; the cause of the destruction of the rest of the bridge have not been determined.