*Case 3.G [#u8e7ec54] **The causes of fatigue [#y2be7e7c] >Stresses and deformations unforeseen in design occurred. **Approaches to repairing and retrofitting [#i4f17f22] > Stop hole. > **LINK [#lc761d0b] -[[Beaver Creek Br.]] > Stop hole -[[Belle Fourche River Br.]] > Stop hole and weld connection -[[Chamberlain Bridge.]] -[[Chamberlain Br.]] > Stop hole and weld connection -[[Steel Railway Bridge in Norway]] > Stop hole