Qualla: Sidi M'Cid Bridge

Sidi M'Cid Bridge: Introduction

Fri, 13 Mar 2026 00:00:00 GMT

Photo credit Yelles, CC BY-SA 4.0. For 17 years, the highest bridge on Earth hung over a gorge in northeastern Algeria. The Sidi M'Cid Bridge, a 164-meter suspension span designed by French engineer Ferdinand Arnodin, opened in April 1912 and held the world record until the Royal Gorge Bridge in Colorado surpassed it in November 1929. The record is gone, but the bridge remains, swaying slightly above the Rhumel River gorge with the kind of quiet confidence that comes from having been terrifying for more than a century.

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Image: Yelles | CC BY-SA 4.0

Sidi M'Cid Bridge: Morinaud's Modern City

Fri, 13 Mar 2026 00:00:00 GMT

Photo credit Yelles, CC BY-SA 4.0. The bridge was the signature project of Emile Morinaud, who served as mayor and member of parliament from 1901 to 1934, a period during which he set about modernizing a city of 50,000 people. The Sidi M'Cid Bridge and the Sidi Rached Bridge were both constructed during his tenure...

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Image: Yelles | CC BY-SA 4.0

Sidi M'Cid Bridge: Steel Above the Abyss

Fri, 13 Mar 2026 00:00:00 GMT

Photo credit Kebbab abdelaziz, CC BY-SA 3.0. The bridge stretches 164 meters across the Rhumel gorge, its cables anchored to the rock on either side of the chasm. Below it, almost directly beneath the span, a natural stone bridge blocks much of the river from view, a geological formation that predates the human structure by...

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Image: Kebbab abdelaziz | CC BY-SA 3.0

Sidi M'Cid Bridge: A Monument at the Far End

Fri, 13 Mar 2026 00:00:00 GMT

Photo credit Boubchira chahinez, CC BY-SA 3.0. On the Sidi M'Cid hill side of the bridge stands the Monument of the Dead, a war memorial that commemorates the people of Constantine who died fighting for France in the First World War. The monument is a replica of the Arch of Trajan at Timgad, the Roman triumphal arch 180 kilom...

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Image: Boubchira chahinez | CC BY-SA 3.0

Sidi M'Cid Bridge: The View From the Span

Fri, 13 Mar 2026 00:00:00 GMT

Photo credit Anna Stryjewska, CC BY 2.5. Standing on the Sidi M'Cid Bridge today, you can see several of Constantine's other crossings below: the Bab El Kantra with its layers of Roman, Ottoman, and French construction; the massive stone arches of the Sidi Rached Viaduct; the modern cables of the Salah Bey Viaduct. The ...

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Image: Anna Stryjewska | CC BY 2.5