Great Assassin Bridge is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Daejagaegyo (大刺客橋), a precarious bridge hanging in the volcanic storm valley. The Great Assassin Bridge that established the legend of the Assassins. Where lives are exchanged for gold. no matter who Because if you pay the price, you can take anyone's life.