Puente ferroviario Biobío en Coihue, Railway bridge across Biobío River between Los Ángeles and Negrete, Chile.
The Biobío Railway Bridge connects Los Ángeles and Negrete across the river with a span of approximately 500 meters. It stands on concrete-filled iron pillars arranged at regular intervals to cross the water.
A British firm called Lever, Murphy & Co. constructed this bridge in 1890 following designs by Chilean engineer Enrique Budge Prats. The structure later underwent modifications with new reinforcement systems added over time.
The bridge represents a crucial connection in Chile's Southern Railway Network, linking the stations of Santa Fe and Coihue for regional transportation.
The structure uses a special design to cope with the changing water level of the Biobío River. Visitors should keep in mind that the rail height varies with the seasons.
The bridge underwent several rebuilds after its original construction and received different new reinforcement systems. Each modification remains visible in the structure today and shows how it adapted to changing railway demands.
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