WSDOT secrets: Inside the 520 Bridge investigation

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520 fillet cell 57 top slab
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  • 520 cell 58 keel
  • 520 exterior face wall 14T at 5L
  • 520 exterior wall 14T at 5L
  • 520 fillet cell 57 top slab
  • 520 keel slab cell 4
  • Pontoon T damaged  strand 10
  • Pontoon U tendon crushed
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520 fillet cell 57 top slab