navigable
A waterway deep and wide enough for a vessel is called navigable.
an ocean
channel
canal
navigable river
The adjective navigable is a word used to describe a body of water as deep and wide enough to provide passage to ships.
Because the St Lawrence river, the St Lawrence seaway as it is known, is wide & deep enough for ships to navigate the waterway.
They can be 'navigated'
Some just wide enough for 2 soldiers to pass by each other and others smaller
Capable of being navigated; deep enough and wide enough to afford passage to vessels; as, a navigable river.
Bodies of water such as oceans, seas, rivers, lakes, and canals can be navigated by boats or ships. These waterways provide routes for transportation, trade, and recreation. Additionally, some artificial waterways, like canals, are specifically designed to facilitate boat travel. Overall, any navigable waterway that is deep enough and wide enough can typically accommodate vessels.
Not deep enough, not wide enough, doesn't run through any major freight hubs.