A bio-compatible posterior spinal bridge assembly provides static or dynamic N-level spinal bridge interconnection between adjacent posterior spinal bridges and posterior spinal bridge assemblies. The posterior spinal bridge assembly includes a spinal bridge that is received in posterior vertebral screw assemblies that are affixed a vertebra and to laterally span the posterior side of the vertebra, and an interconnection element that allows static or dynamic connection between adjacent spinal bridges and/or spinal bridge assemblies. The interconnection element is defined by interconnection members that are carried by the spinal bridge and which provide static or dynamic connection between any number of adjacent spinal bridges/bridge assemblies. The interconnection members are attachable at various positions along the spinal bridge such as medially, laterally, or midline on the spinal bridge. Adjacent spinal bridge assemblies may thus be statically or dynamically linked, connected or coupled to one another via the interconnection members.
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