Interstate 25

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23rd Avenue Bridge (Denver County, Colorado)
Built 1952
Concrete rigid frame bridge over I-25 on 23rd Avenue
Open to traffic

AJX Bridge (Johnson County, Wyoming)
Built 1932
Deck truss bridge over South Fork Powder River on I-25 West Service Road (Old US 87) at Milepost 246.30
Open to traffic

Alameda Avenue Bridge (Denver County, Colorado)
Built 1958
Concrete rigid frame bridge over I-25 on Alameda Avenue (CO-26)
Open to traffic

BNSF - I-25 Overpass (Natrona County, Wyoming)
Built 1958
Through truss bridge over I-25 on the BNSF Railway in Casper
Open to traffic

CS - I25 Overpass (Denver County, Colorado)
Lost Pony/through plate girder bridge over Interstate 25 on Colorado & Southern Railroad
Removed but not replaced

I-25 Nogal Canyon Bridge (Socorro County, New Mexico)
Built 1968
Parallel deck truss bridges over Nogal Canyon on I-25
Open to traffic

I-25 Pine Creek Bridge (El Paso County, Colorado)
Northbound bridge built 1936; southbound built 1955; replaced 2002
Lost pair of open-spandrel arch bridges over Pine Creek on I-25 in Colorado Springs
Replaced by a new bridge

I-25 South Platte River Bridge (Denver County, Colorado)
Built 1951; rehabilitated 1970
Steel deck arch bridge over South Platte River on I-25 in Denver
Open to traffic

I25 Frontage Road Little Thompson River Bridge (Weld County, Colorado)
Built 1938; Replaced 2013
Pony truss bridge over Little Thompson River on the I-25 Service Road (Old US 87) in Berthoud
Replaced by a new bridge

Speer Boulevard/Interstate 25 Overpass (Denver County, Colorado)
Built 1952
Concrete rigid frame bridge over I 25 Ml on Speer Blvd Sbnd
Open to traffic