edge where the road may proceed directly to the main span. Otherwise, the bridge will typically have two smaller spans, running between either pair of pillars and the highway, which may be supported by suspender cables or their own trusswork. In cases where trusswork supports the spans, there will be very little arc in the outboard main cables.

History

The earliest suspension bridges were ropes slung across a chasm, with a deck possibly at the same level or hung below the ropes such that

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