https://trailresearch.org/article/mullan-coeur-d-alene-crossings-1/
Captain Mullan included two lists of river crossing in his 1863 report. Here, half the Coeur d'Alene crossings are mapped and listed.
mullan roadriver crossingstrailresearcharchive
https://www.3m.com/3M/en_US/power-transmission-us/resources/accr-customer-installations/long-span-river-crossings/
3M ACCR has been installed to solve long span/river crossings issues in a variety of environments and operating conditions around the world.
river crossingslongspanus