As a functional bridge, duration of a 'visit' is limited to observation. Driving across takes minutes. Viewing from nearby public points might take 10-20 minutes, depending on individual interest.
Since the Royal Lelystad Bridge is a functional bridge rather than a destination, the concept of 'visit duration' is minimal. Driving or bicycling across the bridge takes only a few minutes.
For those wishing to observe the bridge from a vantage point, such as a nearby road or public area, the time spent will depend entirely on personal interest. A brief observation might take 10-20 minutes. There are no extended activities or facilities that would prolong a 'visit' to this structure.