Wait for a 2-3 days,the discomfort would subside. If the pain doesn't just report back to concerned dentist and some minor adjustment related to bridge will make the pain go away.
These are normal issues followed by a bridge placement.so don't worry.Its temporary.
Next Steps
visit dentist after 3 days if pain doesn't subside
Health Tips
brush and floss regularly and thoroughly to not entertain any food lodgement between natural tooth and bridge abutment.also to remove any remaining cementing material of bridge go away(if any), which would reduce further discomfort.