The deal was that you just had to get a puff at the right moment and have a clear run across the span of the bridge to get through. If you watch Cat in the Hat, you see them get good acceleration when they're about 2/3 across the span. Early on, you see us get a great high speed run at it but were left without much air when we got 1/3 the way across. Paddling like a mo-fo didn't hurt either but you still wouldn't get across without a good puff at some point under the bridge.