Difference between revisions of "Kochertal Viaduct"

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453 foot span / 138 meter span<br />
 
453 foot span / 138 meter span<br />
 
1979<br />
 
1979<br />
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Image by Karl-Gotsch.
 
Image by Karl-Gotsch.
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Kochertal Viaduct Elevation<br />
 
Kochertal Viaduct Elevation<br />
 
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Image by Klaus Foehl.
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A construction view from 1979.  Image by Klaus Foehl.
  
  
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Longtanhe and Kochertal Viaduct size comparison<br />
 
Longtanhe and Kochertal Viaduct size comparison<br />
 
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Revision as of 16:42, 24 February 2012

Kochertal Viaduct
Kochertalbrücke
Braunsbach, Baden-Württemberg, Germany
607 feet high / 185 meters high
453 foot span / 138 meter span
1979

KochertalKarl-Gotsch.jpg

Image by Karl-Gotsch.


The highest bridge ever built in Germany, the massive Kochertal Viaduct was the tallest viaduct in the world for 25 years until 2004 when France’s Millau Viaduct finally surpassed it. China also opened two taller viaducts in 2008 and 2009 in the form of the Mashuihe and Longtanhe bridges on the last section of the West Hurong highway between Shanghai and Chengdu. Although there is no absolute definition of what constitutes a viaduct, such bridges usually cross wide valleys with several spans of equal length instead of one large central span. Kochertal’s tallest pier is tied with Longtanhe as the 5th highest in the world measuring 584 feet (178 mtrs). Only the Millau Viaduct and Mexico’s El Carrizo and San Marcos bridges and China's Labajin have taller piers.

Opened in 1979, the Kochertal carries Germany’s A6 motorway 607 feet (185 meters) above the broad Kocher River valley. Constructed outward from both sides of the valley using formworks, the massive 21 foot (6.5 meter) deep single cell box girder was launched first before inclined struts were placed at 25 foot (7.66 meter) intervals from the bottom edge, allowing the wider wings of the road deck to cantilever out to the side from the central box beam. The total width of the massive deck is 102 feet (31 meters). The clean lines of the bridge come from architect Hans Kammerer as well as the engineers at Leonhardt, Andrä und Partner and Dycherhoff & Widmann.


KochertalFinalElev.jpg

Kochertal Viaduct Elevation



KochertalbrückeKlausFoehl2011.jpg

Image by Klaus Foehl.


A construction view from 1979. Image by Klaus Foehl.


6HighestPiers.jpg


For those who might be interested, the list below shows the World's 10 Tallest Bridges as measured from the top of the foundation to the top of the tower. All are suspension or cable stayed bridges.


1. Millau Viaduct, France 336 meters

2. Russky Island Bridge, Russia 320 meters

3. Akashi-Kaikyo Bridge, Japan 300 meters

4. Sutong Bridge, China 300 meters

5. Stonecutters Bridge, China 290 meters

6. Gwangyang Bridge, South Korea 270 meters

7. Jingsha Bridge, China 267 meters

8. Great Belt East Bridge, Denmark 254 meters

9. Edong Yangtze Bridge, China 242.5 meters

10. Mezcala Bridge, Mexico 242 meters


LongtanheKochertalComparison.jpg

Longtanhe and Kochertal Viaduct size comparison

Longtanhe and Kochertal are the two largest beam viaducts in the world. Longtanhe is slightly higher but both have piers that measure 584 feet (178 meters) tall from the top of the foundation to the underside of the box beam.