Salto Grande Bridge, International railway and road bridge at Salto Grande Dam, Argentina and Uruguay.

The Salto Grande Bridge is a road and railroad bridge over the Uruguay River, built on top of the Salto Grande Dam and linking Concordia, Entre Ríos, Argentina, with Salto, Uruguay. Because the deck is narrow, barriers at each end stop road traffic whenever a train crosses; only freight trains run, a few times per month.

Construction of this crossing began in the mid-1970s as a result of a bilateral agreement between Argentina and Uruguay to create joint border infrastructure. Its completion in the early 1980s marked a turning point in how the two countries connected transportation networks.

The crossing is managed by the Comisión Técnica Mixta de Salto Grande, the binational body that also runs the dam and power plant. Because the deck is narrow, barriers at each end stop road traffic whenever a freight train crosses, and such trains pass only a few times a month.

Because the deck is narrow, road traffic is stopped at barriers on each end whenever a train crosses. Freight trains use the crossing only a few times per month, so drivers rarely wait long. The crossing is managed by the Comisión Técnica Mixta de Salto Grande.

The bridge deck sits directly on the Salto Grande Dam, a binational hydroelectric plant whose installed capacity is the largest in Uruguay. Because the crossing is so narrow, barriers at each end stop road traffic whenever a train passes, and only a few freight trains run each month.