The Night the Bridge Fell Down

The Night the Bridge Fell Down is an American action film starring James MacArthur, Desi Arnaz Jr., and Leslie Nielsen. The movie was produced by Irwin Allen in 1979 in association with Warner Bros. Television for NBC but not aired until February 28, 1983 the same night the final original episode of MASH Goodbye, Farewell and Amen aired on rival network CBS.

Source: Wikipedia