Monroe Street Bridge is a deck arch bridge that spans the Spokane River in Spokane, Washington. It was built in 1911 by the city of Spokane and was designed by John Chester Ralston with ornamentation provided by the firm of Kirtland Kelsey Cutter and Karl Malmgren. At the time of completion it was the largest concrete-arch bridge in the United States and the third longest in the world.The current bridge is actually the third bridge in this location.