#3097: Bridge Types
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Bridge Types
[A 4x4 matrix of 16 ways to cross the same rectangular hole in the ground]
Plank [shows a plank laid over the hole]
Rope [shows a rope bridge with rope guardrail]
Truss [shows a truss bridge with a triangular truss above the bridge deck]
Trestle [shows a trestle bridge]
Arch [shows stone arches supporting a straight deck]
Suspended Arch [shows a single arch, with the bridge deck suspended from it]
Draw [shows a truss bridge, with one half opened like an unrealistic draw bridge]
Suspension [shows the bridge deck suspended from a cable strung between two pillars and the shores]
Filler [shows the hole filled with dirt and stones]
Budget Overrun [shows a bridge deck suspended by cables from an artistically shaped pillar]
Jump [shows two ramps at the edges of the hole, and a skateboarder jumping across the hole]
Halfhearted [shows a ramp at each side of the hole that leads down to the bottom]
Waterbed [shows the hole filled with water, two fish and an octopus, a wobbly covering, and two stick figures crossing]
L'Engle [shows the hole warped such that the opposite shores meet]
Fun [shows a loop-de-loop rollercoaster bridging the hole, and a skateboarder using it to get across]
Repurposed Elevator [shows an elevator tower, rotated sideways as a whole, laid across the hole. 2 stick figures using the elevator are also rotated.]
(Sourced from explainxkcd.com)
Title text:Pontoon bridges are just linear open-sided waterbeds.