By 2010, the road deck of the bridge had become riddled with potholes and uneven pavement.

Among the contributing factors were the uneven pavement of the runway and marginal weather at time of the landing.

They employ a tripping system to allow them to pass over obstructions such as uneven pavement or raised manhole covers.

Traffic jams were frequent (narrow medieval streets could not cope with the upsurge in horse-drawn traffic in the early modern period), uneven pavements a constant danger.