Mysteria

Jerwan Aqueduct of Sennacherib

قنطرة جروان · Jerwan Aqueduct · Sennacherib's Jerwan

Neo-Assyrian (Sargonid)·Assyrian Imperial (Nineveh hydraulic corps)·🇮🇶 Ninawa Governorate, Khosr River, Jerwan village, Khorsabad plain, Iraq

About

About Jerwan Aqueduct of Sennacherib

Largest pre-Roman aqueduct — 280-m limestone bridge-aqueduct carrying Sennacherib's Khosr Canal (705–681 BCE) across the Gomel stream 7 km northeast of Khorsabad (Dur-Sharrukin). The aqueduct bridge is 280 m long ×22 m wide ×9 m high, with five pointed arches, faced in cut limestone with bitumen mortar and a 0.3‰ gradient aqueduct channel paved with conglomerate slabs still in place. Jacobsen and Lloyd 1935 excavated 2 million stone blocks, 50,000 workers per Sennacherib's inscription (Oriental Institute Publication 24), bringing 85 km of canal water from Khinis springs to Nineveh. Inscription stone praising Sennacherib's hydraulic works remains in situ.

Why it mattersEarliest monumental aqueduct bridging a valley, 2500 m workshop scale precursor to Roman arches.

Open questions

Mysteries & theories

Mysteries

  1. 01Labour 50,000 figure accuracy
  2. 02Gradient 0.3‰ over 85 km Khinis→Nineveh

Theories

  1. 01Deported Levantine arch mason technology
  2. 02Royal park irrigation prestige

Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.

History

How it came to be

Built
c.690 BCE under Sennacherib (705–681 BCE)
Period
Neo-Assyrian (Sargonid)
Culture
Assyrian Imperial (Nineveh hydraulic corps)
Builders
Sennacherib's corvée engineers and deported specialists
Purpose
Gravity canal flyover to feed Nineveh's Khosr canal and Khosr parks
Abandoned
612 BCE Nineveh sack
Rediscovered
1933 Oriental Institute Khorsabad expedition (Jacobsen–Lloyd)
Excavation
Excavated
  1. 690 BCE

    Aqueduct construction under Sennacherib year 690 cuneiform

  2. 612 BCE

    Mede s sack destroys canal maintenance

  3. 1933

    OI 1933 Jerwan season exposes bridge and inscription

  4. 2016

    Mosul dam buffer drone survey re-maps channel

On the ground

Structures & features

36.6730° N · 43.3790° E · 320 m · 2 mapped features

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