Baseline Bridge (Adams County, Colorado)
Built 1926 by the Levy Construction Co.; replaced 1989Lost three-span pony truss bridge over South Platte River on 168th Avenue (Baseline Road) in BrightonReplaced by modern bridge
Fort Morgan Rainbow Arch Bridge (Morgan County, Colorado)
Built 1922-23; made obsolete by new bridge in 1963; rehabilitated in 1987Eleven-span Marsh arch bridge over South Platte River on CO 52, just north of Fort MorganOpen to pedestrians only
Nineteenth Street Bridge (Denver County, Colorado)
Built 1888 by the Missouri Valley Bridge & Iron Works; rehabilitated
1965; closed to traffic 1986; new bridge built 1992Two-span wrought-iron through truss bridge over South Platte River on 19th Street in DenverOpen to pedestrians only
South Platte River I-25 Bridge (Denver County, Colorado)
Built 1951; rehabilitated 1970Steel deck arch bridge over South Platte River on I-25 in DenverOpen to traffic