I believe in God but also Believe it's Bad luck to Walk under a Ladder

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On my way home after doing some shopping, I took a side street with a narrow sidewalk. Because my mind was preoccupied with something else,I was not aware of a ladder set up by a utilities company doing repair work on a house adjacent to the road until it was in front of me. Because there were railings acting as barriers between the foot path and the road, my only recourse was to walk under the leaning ladder. But there was a brief moment of hesitancy as I ponder whether this will bring me bad luck. The church frowns on superstitions but it's interesting to find out that this particular one has Christian influence. When Christ died, a ladder had rested against the crucifix. this leaning ladder became a symbol of wickedness, betrayal and death. Hence walking under a ladder would be courting misfortune. I'm curious if others with religious beliefs are also affected by superstitions like when a black cat cross in front of you, the number 13, Broken mirrors and other harbingers of ill tidings. Is there a need to hang a horseshoe above the door, knock on wood. toss salt over one's left shoulder... How about making the sign of the cross for protection and to ward off evil? Now that I have left the church, will my action (walking under a ladder) bring me bad luck? I pray it would not.