Difference between revisions of "Yachi Railway Bridge"

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The Yachi Railway Bridge is not only impressive for its height of nearly 300 meters but for having an epic main arch span of 436 meters.  Among railway-only steel arch bridges, only the Nujiang and the Xijiang have longer main spans.  Designed for high speed trains on the line from Guiyang to Chengdu, the twin track structure is composed of a steel-concrete composite truss.  The main ribs lean 4.62 degrees inward forming a basket-handle arch shape with suspenders for the central section.  The approach spans on either side of the main arch are also unique being composed of a cantilevered T-beam of 2x61.75 meters.
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The Yachi Railway Bridge is not only impressive for its height of nearly 300 meters but for having an epic main arch span of 436 meters.  Among railway-only steel arch bridges, only the Nujiang and the Xijiang have longer main spans.  Designed for high speed trains on the line from Guiyang to Chengdu, the twin track structure is composed of a steel-concrete composite truss.  The main ribs lean 4.62 degrees inward forming a basket-handle arch shape with suspenders for the central section.  The approach spans on either side of the main arch are also unique being composed of a cantilevered T-beam of 2x61.75 meters.
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The 183 meter highline towers were the tallest ever built for the construction of a bridge and were located 460 meters apart. 
  
 
Spanning a deep reservoir from a downstream dam, the Yachi Railway Bridge is approximately 230 meters above the surface of the lake.  The Wu River has a greater number of high bridges across its waters then any other river on earth with almost two dozen crossings exceeding 100 meters in height.  Approximately 45 kilometers upstream of the Yachi Railway Bridge is the Najiehe Railway Bridge which is the highest railway span in China at 310 meters.   
 
Spanning a deep reservoir from a downstream dam, the Yachi Railway Bridge is approximately 230 meters above the surface of the lake.  The Wu River has a greater number of high bridges across its waters then any other river on earth with almost two dozen crossings exceeding 100 meters in height.  Approximately 45 kilometers upstream of the Yachi Railway Bridge is the Najiehe Railway Bridge which is the highest railway span in China at 310 meters.   
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[[File:YachiComputerView.jpg|750px|center]]
 
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[[File:YachiRailwayClosureAerial.jpg|750px|center]]
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[[File:YachiRailwayArchClosure.jpg|750px|center]]
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[[File:183YachiArchAlmostClosed.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:184YachiRailwayArchCrownClose.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:185YachiRailwayTower&Stays.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:186YachiRailwayApproachPier.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:187YachiRailwayAnchorWallStays.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:188YachiRailway&Flags.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:189YachiRailwayArchHalf&SkyView.jpg|450px|center]]
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Image by Eric Sakowski.
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[[File:190YachiRailwayBlueHalvesClosing.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:191YachiRailwayBlueHalf&Footbridge.jpg|450px|center]]
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Image by Eric Sakowski.
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[[File:192YachiRailwayEastBaseArea.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:193YachiRailwayArchBlue.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:194YachiRailwayArchBaseSupports.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:195YachiRailwayBlueTruss&Sky.jpg|500px|center]]
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Image by Eric Sakowski.
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[[File:198YachiRailwayArchBlueSky.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:199YachiRailwayTrussStaging.jpg|750px|center]]
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Image by Eric Sakowski.
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[[File:200YachiRailwayArchCrownTop.jpg|750px|center]]
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Image by Eric Sakowski.
  
  
 
[[File:214YachiRailwayHighlineByJohnHart.jpg|750px|center]]
 
[[File:214YachiRailwayHighlineByJohnHart.jpg|750px|center]]
Image by John Hart.
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In this view the highline towers first stage was completed at 147 meters with another 35 meter tall section still to be added on top.  Image by John Hart.
  
  
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[[File:YachiRailwayGorgeTop Panorama.jpg|550px|center]]
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[[File:YachiRailwayGorgeTop Panorama.jpg|650px|center]]
 
Image by Eric Sakowski / HighestBridges.com  
 
Image by Eric Sakowski / HighestBridges.com  
  
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[[File:212YachiHighlineByDamian.jpg|450px|center]]
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[[File:YachiHighlineTrussFront.jpg|450px|center]]
 
Image by Damian Kulash Sr.
 
Image by Damian Kulash Sr.
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[[File:YachiRailwayHighlinePieces.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
  
  
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[[File:219YachiRaillwayArchBase copy.jpg|750px|center]]
 
[[File:219YachiRaillwayArchBase copy.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayFoundationRebar2.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayPlatform.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayPierScaffolding.jpg|750px|center]]
 
Image by Eric Sakowski / HighestBridges.com  
 
Image by Eric Sakowski / HighestBridges.com  
  
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[[File:215YachiRailwayFoundationByRichard.jpg|750px|center]]
 
[[File:215YachiRailwayFoundationByRichard.jpg|750px|center]]
 
Image by Richard Scott.
 
Image by Richard Scott.
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[[File:YachiRailwayPiersLonglens.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayOvalPier.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
  
  
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[[File:221YachiRailwayGroup.JPG|750px|center]]
 
[[File:221YachiRailwayGroup.JPG|750px|center]]
 
Image from Tadashi Ashimi.
 
Image from Tadashi Ashimi.
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[[File:YachiRailwayFootbridgeSideWide.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayFootbridgeGate.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayFootbridgeMesh.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayFootbridgeEastLonglens.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayFootbridgeCenterline.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayReservoirUpstreamValley.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayModel&Train.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayModelClose.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayModelView.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayModelSide.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayVideo1.jpg|750px|center]]
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[[File:YachiheRailwayVideo2.jpg|750px|center]]
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[[File:YachiheRailwayVideo3.jpg|750px|center]]
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[[File:YachiheRailwayVideo4.jpg|750px|center]]
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[[File:YachiheRailwayVideo5.jpg|750px|center]]
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[[File:YachiheRailwayVideo6.jpg|750px|center]]
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[[File:YachiheRailwayVideo7.jpg|750px|center]]
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[[File:YachiheRailwayVideo8.jpg|750px|center]]
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[[File:YachiheRailwayVideo9.jpg|750px|center]]
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[[File:YachiheRailwayVideo10.jpg|750px|center]]
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[[File:YachiheRailwayVideo11.jpg|750px|center]]
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[[File:YachiheRailwayVideo13.jpg|750px|center]]
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[[File:YachiheRailwayVideo14.jpg|750px|center]]
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[[File:YachiheRailwayVideo15.jpg|750px|center]]
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[[File:YachiheRailwayVideo16.jpg|750px|center]]
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[[File:YachiheRailwayVideo17.jpg|750px|center]]
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[[File:YachiheRailwayVideo18.jpg|750px|center]]
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<div style="text-align: center; font-size: 25px;">
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Documentary Filming<br />
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</div>
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[[File:YachiheRailwayDreamBigMeeting.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayModel.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayFoundation&Grady.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayHighline&ArchFoundation.jpg|450px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayFootbridge&DogView.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayHighlineConst.jpg|750px|center]]
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The highline construction towers are nearly at their full height of 182 meters.  Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayHighlineFog.jpg|450px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayLunch.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayFootbridge&Fog.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiheRailwayFootbridgeDogStandoff.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
  
  
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[[File:YachiRailwayWestApproachAlignment.jpg|750px|center]]
 
[[File:YachiRailwayWestApproachAlignment.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayApproachPiers.jpg|750px|center]]
 
Image by Eric Sakowski / HighestBridges.com
 
Image by Eric Sakowski / HighestBridges.com
  
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[[File:YachiRailwayWestApproachArea.jpg|750px|center]]
 
[[File:YachiRailwayWestApproachArea.jpg|750px|center]]
 
Image by Eric Sakowski / HighestBridges.com
 
Image by Eric Sakowski / HighestBridges.com
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[[File:YachiRailwayTubeConstruction.jpg|750px|center]]
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Image by Eric Sakowski / HighestBridges.com
  
  
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[[File:SuofengyingDam索风营危岩体与进水口侧视图.jpg|750px|center]]
 
[[File:SuofengyingDam索风营危岩体与进水口侧视图.jpg|750px|center]]
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[[File:YachiRailwaySatellite2.jpg|750px|center]]
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Yachi Railway Bridge satellite image.
  
  
 
[[File:YachiRailwaySatellite.jpg|750px|center]]
 
[[File:YachiRailwaySatellite.jpg|750px|center]]
Yachi Railway Bridge satellite image.
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Yachi Railway Bridge satellite image before construction began.
  
  

Revision as of 00:04, 19 January 2017

Yachi Railway Bridge
鸭池河特大桥
Daguanzhen, Guizhou, China
892 feet high / 272 meters high
1,430 foot span / 436 meter span
2018

YachiRailwayDrawing.jpg


The Yachi Railway Bridge is not only impressive for its height of nearly 300 meters but for having an epic main arch span of 436 meters. Among railway-only steel arch bridges, only the Nujiang and the Xijiang have longer main spans. Designed for high speed trains on the line from Guiyang to Chengdu, the twin track structure is composed of a steel-concrete composite truss. The main ribs lean 4.62 degrees inward forming a basket-handle arch shape with suspenders for the central section. The approach spans on either side of the main arch are also unique being composed of a cantilevered T-beam of 2x61.75 meters.

The 183 meter highline towers were the tallest ever built for the construction of a bridge and were located 460 meters apart.

Spanning a deep reservoir from a downstream dam, the Yachi Railway Bridge is approximately 230 meters above the surface of the lake. The Wu River has a greater number of high bridges across its waters then any other river on earth with almost two dozen crossings exceeding 100 meters in height. Approximately 45 kilometers upstream of the Yachi Railway Bridge is the Najiehe Railway Bridge which is the highest railway span in China at 310 meters.

Although not as large as Yachi, the Xixihe Railway arch bridge is also located on the Guiyang-Chengduu line and is one of the world's 10 highest railway bridges at 256 meters. The entire line measures 651 kilometers in length.


YachiComputerView.jpg


YachiRailwayClosureAerial.jpg


YachiRailwayArchClosure.jpg


183YachiArchAlmostClosed.jpg

Image by Eric Sakowski.


184YachiRailwayArchCrownClose.jpg

Image by Eric Sakowski.


185YachiRailwayTower&Stays.jpg

Image by Eric Sakowski.


186YachiRailwayApproachPier.jpg

Image by Eric Sakowski.


187YachiRailwayAnchorWallStays.jpg

Image by Eric Sakowski.


188YachiRailway&Flags.jpg

Image by Eric Sakowski.


189YachiRailwayArchHalf&SkyView.jpg

Image by Eric Sakowski.


190YachiRailwayBlueHalvesClosing.jpg

Image by Eric Sakowski.


191YachiRailwayBlueHalf&Footbridge.jpg

Image by Eric Sakowski.


192YachiRailwayEastBaseArea.jpg

Image by Eric Sakowski.


193YachiRailwayArchBlue.jpg

Image by Eric Sakowski.


194YachiRailwayArchBaseSupports.jpg

Image by Eric Sakowski.


195YachiRailwayBlueTruss&Sky.jpg

Image by Eric Sakowski.


198YachiRailwayArchBlueSky.jpg

Image by Eric Sakowski.


199YachiRailwayTrussStaging.jpg

Image by Eric Sakowski.


200YachiRailwayArchCrownTop.jpg

Image by Eric Sakowski.


214YachiRailwayHighlineByJohnHart.jpg

In this view the highline towers first stage was completed at 147 meters with another 35 meter tall section still to be added on top. Image by John Hart.


YachiRailwayHighlineTop.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayHighlineTowersView.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayHighline&Sky.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayHighlineBottom.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayRedHighline.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayGorgeTop Panorama.jpg

Image by Eric Sakowski / HighestBridges.com


211YachiRailwayRiverByDamian.jpg

Image by Damian Kulash Sr.


YachiHighlineTrussFront.jpg

Image by Damian Kulash Sr.


YachiRailwayHighlinePieces.jpg

Image by Eric Sakowski / HighestBridges.com


213YachiRailwayByHan.jpg

Image by Han Ruoyu.


219YachiRaillwayArchBase copy.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFoundationRebar2.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayPlatform.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayPlatformSide.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayPierScaffolding.jpg

Image by Eric Sakowski / HighestBridges.com


215YachiRailwayFoundationByRichard.jpg

Image by Richard Scott.


YachiRailwayPiersLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayOvalPier.jpg

Image by Eric Sakowski / HighestBridges.com


216YachiRailwayFootbridgeRichard copy.jpg

The temporary footbridge across the Wujiang River is impressive with a main span of approximately 350 meters. Image by Eric Sakowski / HighestBridges.com


217YachiRailwayFootbridgeByRichardScott.jpg

Image by Richard Scott.


218YachiRailwayHighlineByRichard.jpg

Image by Richard Scott.


WujiangRailwayByRichard.jpg

Image by Richard Scott.


220YachiRailwayPanorama copy.jpg

Image by Eric Sakowski / HighestBridges.com


221YachiRailwayGroup.JPG

Image from Tadashi Ashimi.


YachiRailwayFootbridgeSideWide.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeGate.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeMesh.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeEastLonglens.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeCenterline.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayReservoirUpstreamValley.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayModel&Train.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayModelClose.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayModelView.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayModelSide.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayVideo1.jpg


YachiheRailwayVideo2.jpg


YachiheRailwayVideo3.jpg


YachiheRailwayVideo4.jpg


YachiheRailwayVideo5.jpg


YachiheRailwayVideo6.jpg


YachiheRailwayVideo7.jpg


YachiheRailwayVideo8.jpg


YachiheRailwayVideo9.jpg


YachiheRailwayVideo10.jpg


YachiheRailwayVideo11.jpg


YachiheRailwayVideo13.jpg


YachiheRailwayVideo14.jpg


YachiheRailwayVideo15.jpg


YachiheRailwayVideo16.jpg


YachiheRailwayVideo17.jpg


YachiheRailwayVideo18.jpg


Documentary Filming


YachiheRailwayDreamBigMeeting.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayModel.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayFoundation&Grady.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayHighline&ArchFoundation.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayFootbridge&DogView.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayHighlineConst.jpg

The highline construction towers are nearly at their full height of 182 meters. Image by Eric Sakowski / HighestBridges.com


YachiheRailwayHighlineFog.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayLunch.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayFootbridge&Fog.jpg

Image by Eric Sakowski / HighestBridges.com


YachiheRailwayFootbridgeDogStandoff.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayLookingEast.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayEastSlope&Trees.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayEastFoundationClose.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeArea&Gorge.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayLookingEast2 Panorama.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFootbridgeLocation.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayFoundationHole.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayRiver&Foundations.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailway&RiverWater.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayCanyonStream.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayPierHole.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayWestApproachAlignment.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayApproachPiers.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayWestApproachArea.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayTubeConstruction.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayConstructionZone.jpg

Image by Eric Sakowski / HighestBridges.com


YachiRailwayWestTunnel.jpg

Image by Eric Sakowski / HighestBridges.com


YachiArchAreaNorth.jpg

Yachi River north of the railway bridge site. Image by Eric Sakowski / HighestBridges.com


YachiRailwayGate.jpg

Image by Eric Sakowski / HighestBridges.com


Yachihe railway 20150205.jpg


YachiRailwayCliffs.jpg

The river slope at the bridge crossing before construction began.


YachiRailwayCliffsView.jpg


YachiRailwayDownstream.jpg


The Suofengying Dam is located approximately 18 kilometers downstream of the Yachi Railway Bridge. The giant reservoir stretches for 35.5 kilometers with a surface elevation of 837 meters.




YachiRailwaySatellite2.jpg

Yachi Railway Bridge satellite image.


YachiRailwaySatellite.jpg

Yachi Railway Bridge satellite image before construction began.


YachiRailwayLocationMap.jpg

Yachi Railway Bridge location map.


Chengdu-GuiyangRailwayMap copy.jpg

Chengdu-Guiyang Railway map.