Update - 9:45 a.m. CP spokesperson Kevin Hrysak confirms the fire began on the east end of the bridge at 7:04 p.m. Saturday night and was extinguished just before 9 p.m.
He says there was some rail and tie damage and crews were assessing the situation this morning and repairs have already begun.
Rail traffic in the area is affected and CP is working with any customers on potential delays or routing options and there is no timeframe for when service will return to normal.
Once full track repairs are completed, all the mandatory safety inspections will be performed before any rail traffic resumes.
Fire crews in Revelstoke were kept busy after a blaze broke out on the CP Rail bridge around 7 p.m. Saturday night.
It is unclear how the fire started, and it is under investigation at this time.
There was no train on the bridge when the fire began.
A member of the Revelstoke Fire Department has confirmed that the fire is now out, but it is still being monitored.