Situated on the left bank of the River Uruguay, 171 n. Miles by river from Montevideo and 145 n. Miles from Buenos Aires.
In 1976 a bridge was inaugurated, spanning the river at km 101 and linking Uruguay with Argentina. The bridge is 5366 m long and the center span is 220 m with a reported clearance of 40 m above the river.
To arrive at Fray Bentos from the River Plate, ships normally proceed via the Martín García Channel.
From km 0 of the Uruguay river there are four passes, Paso Márquez Punta Caballo, Punta Amarilla and Paso Barrizal, with of about 5,40 m at datum. Both passes are of silt. A safe draught for navigational purposes is dependant on prevailing river water level and is usually around 5,80 m. Pilots and Agents should be consulted beforehand in this respect.