Damage to Marseilles Dam
This photo shows a Tainter gate trunnion arm at Pier 2 of Marseilles Dam. The trunnion arm attaches to an anchorage beam that broke away from the trunnion arm and its concrete footing after the allision with the Tainter gate. The anchorage beam then fell into the Illinois River.

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Photo by: Corps of Engineers |  VIRIN: 130425-A-OH748-004.JPG