Are there any long-term effects of bacterial meningitis?

Can be. Meningitis can have many long lasting effects. Bacterial infections in the brain (meningitis) can affect the parts of the body controlled by that part of the brain. Deafness, seizure, speech disorders and seizures can be a permanent effect of bacterial meningitis.
After effects. Meningitis can cause many long term effects such as cognitive/intellectual deficits, strokes, hydrocephalus, seizures, motor handicaps.