Much historically important structure was designed to carry traffic that was different in character, weight and volume from what comes to cross it in its advanced age. Some bridges today are being called on to carry several times as many cars and trucks as they were designed to, so they are deteriorating at a faster rate. Among the most popular approaches to preserving historically significant bridges is to convert them to pedestrian and bicycle use, often incorporating them into a dedicated walking and cycling trail or a park. The interest in a pedestrian and vehicular crossing of the Hudson at Poughkeepsie led to the development of plans for a second bridge, and the Hudson Valley Bridge Association was formed to promote a new span. Such achievements as these are encouraging models for recycling historic old industrial structures into modem cultural and recreational ones everywhere.