Inspection and cleaning of the Québec Bridge and cost estimate for work

The detailed inspection program for the Québec Bridge was developed jointly by CN and Norda Stelo.


  • World’s longest cantilever bridge (with diagonal K-type bracing)
  • Combination of railway and road crossing over the St. Lawrence River
  • 1,800 nodes, 3,100 chords and 259 properties of different sections
  • Since 2010, Norda Stelo has carried out all yearly inspections of the Québec Bridge
  • Canadian National (CN)
  • Québec, Quebec, Canada
  • $5 M

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