chapter 5 existing conditions wilbur smith associates page 1 an inventory of the transportation infrastructure in louisiana was conducted as initial task development statewide plan this provides overview system for all modes including highway trucking aviation freight rail ports and waterways surface passenger bicycle pedestrian facilities intelligent systems s network is 32nd largest nation with state 11 th comprised over 60 000 miles more than 13 bridges under jurisdiction federal local governments entities 27 4 percent centerline mileage which are owned places 10 nationally while 30 total lane typically handles just 41 billion traveled annually a larger percentage vehicle on rural roads highways urban experiencing greater when compared to available