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

Douglas Creek Bridge (Rooks County, Kansas)
Built ca. 1930
Through truss bridge over Douglas Creek, 0.1 mi. south and 2.9 mi. west of Woodston
Open to traffic

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