American was the lead engineering firm for this joint venture design-build project which included the design, plans preparation, specifications, construction management, community involvement, permitting and construction of a new bridge over the Golden Gate Canal at 13th Street SW. The project included the reconstruction of approximately 800 feet of approach roadway with the vertical grade increasing by up to six feet to provide adequate clearance over the canal. The project also included a 135 foot three-span bridge utilizing precast/prestressed concrete deck beams, a cast-in-place composite concrete bridge deck, sidewalks and bicycle lanes on each side of the bridge and approximately 300 feet of retaining walls.
