When this bridge in Fort Benton, Montana, USA was built 1888 it was required to have a swing span to allow steamboats to navigate. It was considered the furthest navigable point on Earth, more than 2,700 miles from the Gulf of Mexico. historicmt.org Submitted by triviafrenzy t3_zrakng on December 21, 2022 at 4:45 AM in history 152 comments 2,659
Treyred23 t1_j14nf6j wrote on December 21, 2022 at 5:15 PM What about the Nile? At what point is it not navigable? Permalink 2 VieFirionaVie t1_j153rgf wrote on December 21, 2022 at 6:59 PM Aswan low dam, about 1000km/600mi. Maybe lower depending on the season Permalink Parent 2
VieFirionaVie t1_j153rgf wrote on December 21, 2022 at 6:59 PM Aswan low dam, about 1000km/600mi. Maybe lower depending on the season Permalink Parent 2
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