LOUISVILLE, Ky. — A semi-truck exploded after crashing in Louisville Monday afternoon. The crash happened sometime around noon on I-65 South near the Kennedy Bridge. TRIMARC reports all lanes of the road are blocked. It's unclear at this time if there are any injuries or how the crash occurred. Photos from a TRIMARC camera near the bridge showed the moment the semi-truck exploded. It's not known what the semi was carrying.