Here is how to complete the week 2 Fortnite ride a Motorboat under different colored steel bridges challenge.
Challenges this season in Fortnite awards players with 25,000 XP upon completion and there are six weekly solo challenges and one Team Challenge released every week, which rewards players with 50,000 XP.
One of the Season 4 Week 2 Challenges in Fortnite requires players to ride a Motorboat under different colored steel bridges and this article will show you where all of steel bridges are located to help you to complete the challenge.
Ride a Motorboat under different colored steel bridges
In order to complete this challenge, you will need to know where different colored steel bridges are located. We have made a map which shows the location of all of the colored steel bridges in Fortnite, which can be seen below:

Even though there are five colored steel bridges, you only need to ride under three of these with a Motorboat in order to complete this challenge. Motorboats are really easy to find and you should be able to located at least one near all five of the bridges.
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You do not need to complete this challenge in one match, so it should be fairly easy to do but if you do want to do it in one match, it would be best to go to the bridges located on the upper half of the map as they are closer together. We would also recommend to do this challenge in the Team Rumble mode as you are less likely to be killed whilst trying to complete this challenge and there is a better chance of you completing it in one match.
As with all challenges, you will be notified on the left side of your screen once it has been completed and you will have earned 25,000 XP.