There are 599 bridges in this category · Only showing 279 bridges with photos
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Colorado

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"Venice on the Creek" Bridge (Denver County, Colorado)
Built ca. 1890 at an unknown location; relocated here in 1923
Through truss bridge over Cherry Creek with buildings inside it.
Open to pedestrians only

11th Avenue Bridge (Denver County, Colorado)
Built 1925; rehabilitated 1984
Two-span concrete arch bridge over Cherry Creek on W. 11th Avenue in Denver
Open to traffic

13th Avenue Bridge (Denver County, Colorado)
Built 1928; rehabilitated 1987
Two-span concrete arch bridge over Cherry Creek on 13th Avenue in Denver
Open to traffic

14th Street Viaduct (Denver County, Colorado)
Built between 1895 and 1898 at a cost of $367,000. Widened 1939, demolished 1988.
Lost Bridge over Railroads, steets, South Platte River on 14th Street in Denver
Removed

20th Street Viaduct (Denver County, Colorado)
Built 1909-11; replaced 1994
Lost through truss and plate girder bridge over South Platte River and railyard on 20th Street in Denver
Replaced by new bridge

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

Adelaide Bridge (Fremont County, Colorado)
Built 1894 on the narrow gauge Florence and Cripple Creek Railroad. Converted to highway use after the railroad was abandoned in 1912.
Steel trestle on Phantom Canyon Road over Eightmile Creek
Open to one-lane traffic on a gravel road

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

Alpine Tunnel (Gunnison County, Colorado)
Built 1880-82 by the Denver, South Park & Pacific Railroad; collapsed and abandoned in 1910
Abandoned tunnel under the Continental Divide on the Denver, South Park & Pacific Railroad, southwest of St. Elmo
Abandoned and partially caved-in

Animas River Footbridge (La Plata County, Colorado)
Abandoned pony truss bridge over Animas River on Abandoned Trail?
Abandoned and partially collapsed

Animas River Trail Suspension Bridge (La Plata County, Colorado)
Wire suspension bridge over Animas River on Trail
Open to pedestrians only

Apishapa Arch (Las Animas County, Colorado)
Built 1933-34 by the Civilian Conservation Corps
Stone arch tunnel through a rock dike on FR 415 just east of Cordova Pass
Open to traffic

Arkansas River Bridge (old) (Prowers County, Colorado)
Replaced 1967
Lost Bridge over Arkansas River on Us 50
Replaced by new bridge

Arkansas River CO 291 Bridge (Chaffee County, Colorado)
Built or reconstructed in 1959
Pony truss bridge over Arkansas River on CO 291 north of Salida
Open to two-lane traffic on a state highway

Arkansas River CR 175 Bridge (Chaffee County, Colorado)
Built 1994
Pony truss bridge over Arkansas River on Spiral Drive (CR 175) north of Salida
Open to two-lane traffic on a paved road

Arkansas River CR 371 Bridge (Chaffee County, Colorado)
Built in 1998, replacing a concrete bridge built in 1965
Pony truss bridge over Arkansas River on CR 371 between Buena Vista and Granite
Open to two-lane traffic on a gravel road

Badito Bridge (Huerfano County, Colorado)
Built 1911
Luten arch bridge over Huerfano River on CR 616
Open to traffic

Baldwin Creek Bridge (Chaffee County, Colorado)
Built 1950. The stone pier might be from an earlier railroad bridge.
Small wooden bridge with stone pier on CR 162 over Baldwin Creek east of St. Elmo
Open to traffic

Baseline Bridge (Adams County, Colorado)
Built 1926 by the Levy Construction Co.; replaced 1989
Lost three-span pony truss bridge over South Platte River on 168th Avenue (Baseline Road) in Brighton
Replaced by modern bridge

Beaver Creek Bridge (Fremont County, Colorado)
Built 1923
Pony truss bridge over Beaver Creek on CR 120 (formerly CO 120) in Penrose
Open to traffic

Beavertail Mountain Tunnel (Mesa County, Colorado)
Built 1989
Pair of tunnels under Beavertail Mountain on Interstate 70/US 6
Open

Big Sandy Creek Bridge (Cheyenne County, Colorado)
Built 1936
Wooden bridge over Big Sandy Creek on CR 20 (Old US 287)
Open to traffic

Big Sandy Draw Bridge (Chaffee County, Colorado)
Built 1938
Pony truss bridge over Big Sandy Draw on US 24/US 285 east of Johnson Corner
Open to traffic

Big Thompson Bridge #3 (Larimer County, Colorado)
Built 1933
Lost pony truss bridge over Big Thompson River on US 34
Replaced by modern bridge

Big Thompson Bridge #4 (Larimer County, Colorado)
Built 1933
Lost pony truss bridge over Big Thompson River on US 34
Replaced by modern bridge

Black Bridge (Mesa County, Colorado)
Built 1891 by the Kansas City Bridge Co.; damaged by flooding in 1983
Lost through truss bridge over Gunnison River on CR 25.30
Lost

Black Squirrel Creek Bridge (El Paso County, Colorado)
Built 1935; demolished 2012
Lost through truss bridge over Black Squirrel Creek on US 24 near Peyton
Demolished

BNSF - Cherry Creek Bridge (Denver County, Colorado)
Through truss bridge over Cherry Creek on Burlington Northern Santa Fe Railroad
Open to traffic

BNSF - Old Ratan Pass Road Arch (Las Animas County, Colorado)
Stone arch bridge over Old Ratan Pass Road & Ratan Creek on BNSF Railway
Open to traffic

Bobtail Road Bridge (Gilpin County, Colorado)
Built 1999
Steel through arch bridge over Bobtail Creek on Bobtail Road in Black Hawk
Open to traffic

Boulder Creek Bridge (Boulder County, Colorado)
Built 1953
Concrete tee beam bridge over Boulder Creek on Sh 119 Ml
Open to traffic

Boulder Creek Bridge (Boulder County, Colorado)
Replaced 1985
Lost Luten arch bridge over Boulder Creek on 17th Street
Replaced by new bridge

Broadway Bridge (Denver County, Colorado)
Built 1896; replaced 1988
Lost open-web deck plate girder bridge over Cherry Creek on Broadway Ave. in Denver
Replaced by new bridge

Brown's Canyon Bridge (Chaffee County, Colorado)
Built 1908
Two-span concrete deck girder bridge over Arkansas River on CR 191 at Stone Bridge Access Park
Open to traffic, but road only goes to private land

Brown's Park Bridge (Moffat County, Colorado)
Built 1954; rehabilitated 1991
Suspension bridge over Green River on CR 83
Open to traffic

Busk-Ivanhoe Tunnel (Pitkin County, Colorado)
Built 1891; Converted to highway use 1922; Closed to traffic 1943; Collapsed 1945
Tunnel
Closed

Buttes Bridge (El Paso County, Colorado)
Built 1921; Replaced 1989
Lost Camelback through truss bridge over Fountain Creek on Pueblo Road
Replaced by a new bridge

C&TS - Cascade Trestle (Conejos County, Colorado)
Bridge over Cascade Creek on Railroad
Open to traffic

Canon Avenue Bridge (El Paso County, Colorado)
Built 1906; rehabilitated 1990
Stone arch bridge over Fountain Creek on Canon Avenue in Manitou Springs
Open to traffic

Carson Blvd. Bridge (El Paso County, Colorado)
Two-span pony truss bridge over Fountain Creek on Carson Blvd. at Security-Widefield in Colorado Springs
Open to pedestrians only

Castle Creek Bridge (Eagle County, Colorado)
Built 1933
Steel stringer bridge over Castle Creek on US 6
Open to traffic

Castle Rock Lower Bridge (Boulder County, Colorado)
Built ca. 1930; bypassed 1953, but left in place to serve recreational area
Concrete slab bridge over Middle Boulder Creek on Old Boulder Canyon Drive (Co Rd 54A)
Open to traffic; posted for load

Castle Rock Upper Bridge (Boulder County, Colorado)
Built ca. 1930; bypassed 1953, but left in place to serve recreational area
Steel girder/floorbeam bridge over Middle Boulder Creek on Old Boulder Canyon Drive (Co Rd 54A, former CO 119)
Open to traffic; posted for load

Chalk Creek CR 292 Bridge (Chaffee County, Colorado)
Built 1989
Pony truss bridge over Chalk Creek on CR 292 just north of CR 371, near Lake Alpine
Open to two-lane traffic

Cherry Creek Bridge (Douglas County, Colorado)
Built 1948, extensive rehab in 2003
Open-spandrel arch bridge over Cherry Creek on CO 83
Open to traffic

Cherry Creek Bridge (Denver County, Colorado)
Built 1914; Replaced 1983
Lost Slab bridge over Cherry Creek on Downing Street
Replaced by new bridge

Cherry Creek Trail Bridge (Delagny Street) (Denver County, Colorado)
Built 1891 by the Burlington & Missouri River Railroad; relocated here in 1923
Through truss bridge over Cherry Creek on Delgany Street in Denver
Open to Pedestrians

Cherry Creek Trail Bridge (Wewatta Street) (Denver County, Colorado)
Through truss bridge over Cherry Creek on former railroad, now pedestrian walk
Open to pedestrians

Cherry Creek Trail Bridge (Wynkoop Street) (Denver County, Colorado)
Built 1907 by the Pennsylvania Steel Company
Through truss bridge over Cherry Creek on pedestrian pathway
Open to pedestrians

Chicago Basin Trail Suspension Bridge (La Plata County, Colorado)
Built 2008, replacing a suspension bridge that had become unstable due to age, repeated floods and general deterioration. Thought to be the third bridge at this site.
Wire suspension bridge over Animas River on Chicago Basin Trail
Open to pedestrians only

CM - Arkansas River Bridge (Chaffee County, Colorado)
Lost railroad bridge over Arkansas River just off US 24 near Clear Creek Reservoir
Structure removed except for stone piers

CO 120 Viaduct (Fremont County, Colorado)
Built 1931
Tee beam bridge over the Union Pacific Railroad on CO 120
Open to traffic

CO-92 Gunnison River Bridge (Delta County, Colorado)
Built 1938
Three-span pony truss bridge over Gunnison River on CO 92 in Orchard City
Open to traffic

Coaldale Bridge No. 1 (Fremont County, Colorado)
Built 1906; later bypassed by another truss bridge
Abandoned through truss bridge over Arkansas River at Coaldale on CR 6 (Hayden Creek Rd.) just north of US 50
Abandoned

Coaldale Bridge No. 2 (Fremont County, Colorado)
Built ca. 1910; rehabilitated 1960
Pratt through truss bridge over Arkansas River on CR 6
Open to traffic

Coller Wildlife Area Bridge (Mineral County, Colorado)
Built ca. 1930
Pony truss bridge over the Rio Grande on CR 430 just off CO 149 at Coller State Wildlife Area
Open to traffic on a gravel road

Commercial Street Bridge (Las Animas County, Colorado)
Built 1905; replaced 1990
Lost two-span Luten arch bridge over Purgatoire River on Commercial Street in Trinidad.
Replaced by new bridge

Costilla Crossing Bridge (Conejos County, Colorado)
Built 1892 by the Wrought Iron Bridge Co.; rehabilitated 2006
Two-span Thacher through truss bridge over the Rio Grande on CR G east of Antonito
Open to one-lane traffic

Cottonwood Creek Bridge (Sedgwick County, Colorado)
Built 1922
Concrete bridge over Cottonwood Creek on CR 22.9
Open to local traffic

Culebra Creek Bridge (Costilla County, Colorado)
Built 1936
Steel stringer bridge over Culebra Creek on Sh 159 Ml
Open to traffic

De Beque Bridge (Mesa County, Colorado)
Built 1945
Two-span through truss over Colorado River on the I-70 Frontage Road (Old US 6)
Open to traffic

Delta Bridge (Delta County, Colorado)
Completed May 1924; parallel eastbound bridge built 1966; replaced 1992
Lost four-span through truss bridge over the Gunnison River on westbound US 50 at Delta
Replaced by modern bridge

Denver & Rio Grande Scenic - Rio Grande Bridge (Mineral County, Colorado)
Through truss bridge over Rio Grande on Denver & Rio Grande Scenic Railroad
Open to traffic

Devil's Slide Trestles (Boulder County, Colorado)
Built 1903-05; bypassed 1928; tracks removed 1935; reopened as a road 1955-1979.
Timber stringer bridge over Devil's Slide on Denver and Salt Lake Railway
Closed to all traffic, but still carries a natural gas pipeline

Dolores River CO 90 Bridge (Montrose County, Colorado)
Built 1952
Through truss bridge over Dolores River on CO 90
Open to traffic

Dotsero Bridge (Eagle County, Colorado)
Built 1934-35; replaced 2013
Lost through truss bridge over Colorado River on the I-70 Service Road (Old US 6) at Dotsero
Lost

Douglas Crossing Bridge (Prowers County, Colorado)
Built 1936 by the Works Progress Administration
Six-span stone arch bridge over Two Butte Creek on CR 28
Open to traffic

Draw Bridge (Sedgwick County, Colorado)
Built 1930; rehabilitated 1936
Timber stringer bridge over Draw on US 138
Open to traffic

DRGW - Cat Creek Bridge (Archuleta County, Colorado)
Abandoned pratt through truss bridge over Cat Creek on Denver & Rio Grande Railroad
Derelict/abandoned

DRGW - CO105 Overpass (El Paso County, Colorado)
Steel stringer bridge over CO 105 on Railroad
Open to traffic

DRGW - Elk Park Bridge (San Juan County, Colorado)
Built 1884; Damaged in a flood in 1964, requiring a new bridge.
Pratt through truss bridge over Animas River on Abandoned Railroad
Replaced by a new bridge, but left standing,

DRGW - Narrow Gauge Trestle (Montrose County, Colorado)
Built 1895
Pratt deck truss bridge over Cimarron River on Railroad Static Display
Static Display

DSNG - Animas River Bridge (La Plata County, Colorado)
Pratt through truss bridge over Animas River on Railroad
Open to traffic

DSNG - Animas River High Bridge (La Plata County, Colorado)
Built 1894; Additonal tension members added 1981
Warren deck truss bridge over Animas River on Railroad
Open to traffic

DSNG - Hermosa Creek Bridge (La Plata County, Colorado)
Built 1881
Howe pony truss bridge over Hermosa Creek Bridge on Railroad
Open to traffic

DSNG - Navajo River Bridge (Archuleta County, Colorado)
Pratt through truss bridge over Navajo River on Durango & Silverton Railroad


DSNG - Tefft Bridge (La Plata County, Colorado)
Built 1887
Pratt through truss bridge over Animas River on Durango & Silverton Narrow Gauge Railroad
Open to traffic

Eagle River Bridge (Eagle County, Colorado)
Built 1933; Replaced 2012
Lost through truss bridge over Eagle River on US 6 east of Eagle in Eagle
Replaced by a new bridge

Eagle River Bridge (Eagle County, Colorado)
Closed-spandrel arch
Closed-spandrel arch
Intact but closed to all traffic

Eagle River Bridge (Eagle County, Colorado)
Built 2001
Stringer bridge over Eagle River on Us 6 Ml
Open to traffic

Eagle Springs Covered Bridge (Eagle County, Colorado)
Built 1985
Bridge over Eagle River on Country Club Entrance Road
Open

Eisenhower Tunnel (Summit County, Colorado)
Constructed started March 15, 1968; tunnel opened March 8, 1973
Tunnel on I-70 Westbound at Loveland Pass
Open to traffic

Elk Creek US 6 Bridge (Garfield County, Colorado)
Built 1931
Pony truss bridge over Elk Creek on US 6 in New Castle
Open to traffic

Elson Bridge (Las Animas County, Colorado)
Built 1905 by the Pueblo Bridge Co.; replaced 1994
Lost through truss bridge over Purgatoire River on CR 36.0
Replaced by modern bridge

Escalante Canyon Bridge (Delta County, Colorado)
Originally built 1890 at Delta by the Bullen Bridge Co.; relocated 1908 to cross the Gunnison at Read; damaged by flooding and relocated ca. 1938 to Escalante Canyon; replaced 1993
Lost two-span through truss bridge over the Gunnison River on CR 650
Replaced by modern bridge

F Street Bridge (Chaffee County, Colorado)
Built 1907-08 by the Pueblo Bridge Co.
Two-span concrete arch bridge over Arkansas River on F Street in Salida
Open to two-lane traffic on a dead-end city street

Fairgrounds Bridge (Larimer County, Colorado)
Built 1915; rehabilitated 1994
Through truss bridge over Big Thompson River in Loveland Fairground Park
Open to traffic

Fay's Crossing Bridge (Pueblo County, Colorado)
Built 1905 near El Moro, Colorado, moved here in 1995
Through truss bridge over Santa Fe Avenue on a pedestrian trail in Pueblo
Open to pedestrians only

Fifth Street Bridge (Mesa County, Colorado)
Built 1933 by the Wisconsin Steel & Iron Works; replaced 1989
Lost four-span through truss bridge over Colorado River on Northbound US 50 at Grand Junction
Replaced by new bridge

Florence Main Street Bridge (Fremont County, Colorado)
Built 1921
Concrete arch bridge over Coal Creek on CO 115 in Florence
Open to traffic

Florida River Bridge (La Plata County, Colorado)
Through truss bridge over Florida River on Ranchos Florida Road
Open to traffic

Fort Morgan Rainbow Arch Bridge (Morgan County, Colorado)
Built 1922-23; made obsolete by new bridge in 1963; rehabilitated in 1987
Eleven-span Marsh arch bridge over South Platte River on CO 52, just north of Fort Morgan
Open to pedestrians only

Fountain Creek Bridge (El Paso County, Colorado)
Built 1932 by the Pueblo Bridge & Construction Co.
Open-spandrel arch bridge over Fountain Creek on Business US 24
Open to traffic

Four Mile Bridge (Chaffee County, Colorado)
Built 1909 by the Pueblo Bridge Co.; replaced 1987
Lost bedstead truss bridge over Arkansas River on CR 371 north of Buena Vista
Replaced by modern bridge

Four Mile Bridge (Routt County, Colorado)
Built 1900-01 by the Wrought Iron Bridge Co.; replaced 1989
Through truss bridge over Elk River on CR 42. Truss moved to hill overlooking US 40 when the bridge was replaced in 1989.
Truss resting on a hill overlooking US 40

Fourth Street Bridge (Fremont County, Colorado)
Built 1891 by the Bullen Bridge Co.; modified 1928; replaced in 2001; reconstructed ca. 2004
Through truss bridge over Arkansas River in Canon City
Open to pedestrians only

Frenchman Creek Bridge (Phillips County, Colorado)
Built 1934
Timber stringer bridge over Frenchman Creek on US 6 in Holyoke
Open to traffic

Fruita Bridge (Mesa County, Colorado)
Built 1906 by the M.J. Patterson Construction Co.
Three-span through truss bridge over Colorado River on 17-1/2 Road at Fruita
Closed to all traffic

Georgetown Loop - Clear Creek Deck Truss (Clear Creek County, Colorado)
Deck truss over Clear Creek on the Georgetown Loop Railroad
Open to tourist railroad

Georgetown Loop - Clear Creek Pony Girder (Clear Creek County, Colorado)
Pony plate girder bridge over Clear Creek on the Georgetown Loop Railroad
Open to tourist railroad