The way I designed this bridge was quite standard but I believe it will still perform effectively. It is the shape of a trapezoid to disperse the forces better. I chose to use triangles throughout the bridge to distribute the forces throughout the bridge and not have it deform before failure. As I was advancing through my design process, I had to make many corrections to make sure that the connections of pieces was possible. Also, I desired to not make the connections between the frames too detailed as it would add weight and cost. I had a few drafts but settled with this one. After this process, I learned that if one has to design a bridge, he or she needs to be patient and consider many factors. Multiple drafts will only strengthen the outcome
Bill:
3.375" chord: 21- $31,500
5.00" chord: 14- $ 28,000
360 degree gusset plates: 18- $18,000
Total: $77,500
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