The Idrijca Viadukt

The Bohinj Line enters the Idrijca Valley at Bača pri Modreju. Immediately after the Bača Tunnel, the train reaches the 258-meter-long Idrijca Viaduct, the longest viaduct on the entire line. At this part of the line, the railroad turns west towards the Most na Soči railway station, which is the main station for towns and villages in the Upper Soča Valley.

The viaduct starts with a stone section with seven arches, followed by a 51-meter-long iron structure on a stone pier, ending with another stone arch. During construction, fortresses were built at both ends of the viaduct, testifying to the important military function of the Bohinj Line in the past.

Starting construction on the Idrijca Viaduct, May 1904.
Starting construction on the Idrijca Viaduct, May 1904.
Construction of the stone section with seven arches.
Construction of the stone section with seven arches.
The part of the viaduct over the Idrijca River is made of iron and rests on a magnificent stone pier.
The part of the viaduct over the Idrijca River is made of iron and rests on a magnificent stone pier.
Installing the wooden structure that was used to assemble the iron part of the viaduct.
Installing the wooden structure that was used to assemble the iron part of the viaduct.
A view of the completed Idrijca Viaduct, May 1906.
A view of the completed Idrijca Viaduct, May 1906.
The Idrijca Viaduct was protected on both sides by two fortresses.
The Idrijca Viaduct was protected on both sides by two fortresses.
Part of the Bohinj Line plan with the Idrijca Viaduct.
Part of the Bohinj Line plan with the Idrijca Viaduct.
Short Springquell Viaduct, located just before the Idrijca Viaduct.
Short Springquell Viaduct, located just before the Idrijca Viaduct.
A train passing the Springquell Viaduct with three arches.
A train passing the Springquell Viaduct with three arches.
A view of the viaduct from the left bank of the Idrijca River.
A view of the viaduct from the left bank of the Idrijca River.
Idrijca Viaduct depicted on postcards published soon after the line was opened.
Idrijca Viaduct depicted on postcards published soon after the line was opened.
The Idrijca Viaduct from the left bank of the Idrijca River.
The Idrijca Viaduct from the left bank of the Idrijca River.
The Peter Skok Inn next to the main road through the Idrijca Valley.
The Peter Skok Inn next to the main road through the Idrijca Valley.
A color postcard of the Idrijca Viaduct.
A color postcard of the Idrijca Viaduct.
The Idrijca Viaduct seen from the railway station at Most na Soci.
The Idrijca Viaduct seen from the railway station at Most na Soci.
Part of the railroad before the Most na Soci station that was destroyed during the First World War.
Part of the railroad before the Most na Soci station that was destroyed during the First World War.
An Austro-Hungarian soldier on the Idrijca Viaduct, which entered both World Wars undamaged.
An Austro-Hungarian soldier on the Idrijca Viaduct, which entered both World Wars undamaged.
A Austrian fortress and a small Italian bunker on the left bank of the Idrijca River.
A Austrian fortress and a small Italian bunker on the left bank of the Idrijca River.
The small Austro-Hungarian fortress on the right bank of the Idrijca River.
The small Austro-Hungarian fortress on the right bank of the Idrijca River.
The hill next to the Idrijca Viaduct is crisscrossed by Italian military tunnels.
The hill next to the Idrijca Viaduct is crisscrossed by Italian military tunnels.
A view of the viaduct from below the large fortress on the left bank of the Idrijca River.
A view of the viaduct from below the large fortress on the left bank of the Idrijca River.
The Idrijca Viaduct runs in an elegant arch high above the main road and the Idrijca River.
The Idrijca Viaduct runs in an elegant arch high above the main road and the Idrijca River.
The museum train on the Idrijca Viaduct.
The museum train on the Idrijca Viaduct.
The car transport train, which has been running since 1999 on the Idrijca Viaduct.
The car transport train, which has been running since 1999 on the Idrijca Viaduct.

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