Bridge pier for mountainous highway bridge, construction method and mountainous highway bridge

The invention discloses a bridge pier for a mountainous highway bridge, a construction method and the mountainous highway bridge. The bridge pier comprises a pier body and a prestressed cover beam. The prestressed cover beam is arranged at the top of the pier body and the end, away from the mountain, of the cover beam is suspended. A first prestressed anchor cable anchored with a mountain body topress the cover beam is embedded in the cover beam, and a second prestressed anchor cable anchored with the mountain body for tensioning the pier body is embedded in the pier body. The construction method comprises pier body construction and prestressed cover beam mounting. The bridge comprises a first beam body, a second beam body, cylindrical pier systems and piers. The first beam body is closeto the mountain body. Each cylindrical pier system comprises a cylindrical pier support beam system and a cylindrical pier cover beam. The first beam body is arranged on prestressed cover beams. The second beam body is arrange