Recent Colorado Updates

November 18, 2017

Snowden Bridge (Lake County, Colorado)
Two-span Luten arch bridge over Arkansas River
November 18, 2017: New photo from Dave King

Iola Bridge (Gunnison County, Colorado)
Pratt through truss bridge over Gunnison River on Road
November 18, 2017: Added by Dave King

November 13, 2017

UP - Fountain Creek Bridge (Pueblo County, Colorado)
Abandoned warren through truss bridge over Fountain Creek on Union Pacific Railroad
November 13, 2017: Updated by John Marvig: Added Build Date from Missouri Pacific Annual Report

October 7, 2017

DSNG - Animas River High Bridge (La Plata County, Colorado)
Warren deck truss bridge over Animas River on Railroad
October 7, 2017: Updated by Luke: Added build date

October 1, 2017

South Union Arkansas River Bridge (Old) (Pueblo County, Colorado)
Lost Bridge over Arkansas River on S. Union
October 1, 2017: Added by Dana and Kay Klein

South Union- Arkanasas River Bridge (Replacement) (Pueblo County, Colorado)
Bridge
October 1, 2017: New Street View added by Dana and Kay Klein

September 19, 2017

Smith Hill Way Bridge (Pitkin County, Colorado)
Pony truss bridge over Roaring Fork River on Abandoned Smith Way Alignment
September 19, 2017: New photos from Jodi Christman

September 10, 2017

Pingree Road Bridge (Larimer County, Colorado)
Warren pony truss bridge over Cache La Poudre River on Pingree Road (CR 63E)
September 10, 2017: New photo from James McCray

August 8, 2017

UP Roan Creek Rd Bridge (Mesa County, Colorado)
Steel stringer bridge over Roan Creek Rd on UPRR (D&RGW)
August 8, 2017: New photos from Steve Conro

August 6, 2017

US6 Colorado River Bridge (Mesa County, Colorado)
Steel stringer bridge over Colorado River on US 6
August 6, 2017: Added by Steve Conro

UP Roan Creek Rd Bridge (Mesa County, Colorado)
Steel stringer bridge over Roan Creek Rd on UPRR (D&RGW)
August 6, 2017: Added by Steve Conro

UP US6 Bridge (Mesa County, Colorado)
Steel stringer bridge over US6 on UPRR (D&RGW)
August 6, 2017: Added by Steve Conro

De Beque Bridge (Mesa County, Colorado)
Two-span through truss over Colorado River on the I-70 Frontage Road (Old US 6)
August 6, 2017: New photos from Steve Conro

UP Colorado River Bridge (Garfield County, Colorado)
Girder bridge over Colorado River on UPRR (D&RGW)
August 6, 2017: Added by Steve Conro

Rifle Bridge (Garfield County, Colorado)
Closed two-span through truss bridge over the Colorado River at Rifle
August 6, 2017: New photos from Steve Conro

Elk Creek US 6 Bridge (Garfield County, Colorado)
Pony truss bridge over Elk Creek on US 6 in New Castle
August 6, 2017: New photos from Steve Conro

South Canon Bridge (Garfield County, Colorado)
Closed through truss bridge over the Colorado River just off I-70, west of Glenwood Springs
August 6, 2017: New photos from Steve Conro

Gypsum Bridge (Eagle County, Colorado)
Two-span Luten arch bridge over Eagle River on Trail Gulch Road
August 6, 2017: New photos from Steve Conro

UP - Brush Creek Bridge (Eagle County, Colorado)
Deck plate girder
August 6, 2017: New photos from Steve Conro

UP - Eagle City Bridge (Eagle County, Colorado)
Deck girder
August 6, 2017: New photo from Steve Conro

UP - Eagle River Bridge (Eagle) (Eagle County, Colorado)
Deck girder bridge
August 6, 2017: New photos from Steve Conro

Castle Creek Bridge (Eagle County, Colorado)
Steel stringer bridge over Castle Creek on US 6
August 6, 2017: Added by Steve Conro

Eagle River Bridge (Eagle County, Colorado)
Stringer bridge over Eagle River on Us 6 Ml
August 6, 2017: Added by Steve Conro

Eagle River Bridge (Eagle County, Colorado)
Closed-spandrel arch
August 6, 2017: New photos from Steve Conro

UP - Eagle River Bridge (Eagle County, Colorado)
Deck plate girder
August 6, 2017: New photos from Steve Conro

UP - Eagle River Bridge (Eagle County, Colorado)
Deck plate girder
August 6, 2017: New photos from Steve Conro

Eagle Springs Covered Bridge (Eagle County, Colorado)
Bridge over Eagle River on Country Club Entrance Road
August 6, 2017: New photos from Steve Conro

UP - Eagle River Bridge (Eagle County, Colorado)
Deck plate girder
August 6, 2017: New photos from Steve Conro

UP - Eagle River Bridge (Eagle County, Colorado)
Deck plate girder
August 6, 2017: New photos from Steve Conro

UP - Gore Creek Bridge (Eagle County, Colorado)
Deck plate girder
August 6, 2017: New photos from Steve Conro

Eisenhower Tunnel (Summit County, Colorado)
Tunnel on I-70 Westbound at Loveland Pass
August 6, 2017: New photo from Steve Conro

Johnson Tunnel (Summit County, Colorado)
Tunnel on I-70 Eastbound at Loveland Pass
August 6, 2017: New photos from Steve Conro

Georgetown Loop - Devil's Gate Trestle (Clear Creek County, Colorado)
Rebuilt trestle on the Georgetown Loop Railroad
August 6, 2017: New photos from Steve Conro

July 22, 2017

Eagle Springs Covered Bridge (Eagle County, Colorado)
Bridge over Eagle River on Country Club Entrance Road
July 22, 2017: New Street View added by Steve Conro

July 17, 2017

North Inlet Bridge (Grand County, Colorado)
Timber pony arch bridge over North Inlet on Grand Avenue
July 17, 2017: New Street View added by J.P.

North Inlet Bridge (Grand County, Colorado)
Timber pony arch bridge over North Inlet on Grand Avenue
July 17, 2017: Added by Neil Krout

Grand Lake Bridge (Grand County, Colorado)
Through arch bridge over Grand Lake Channel on Jericho Road
July 17, 2017: New photos from Neil Krout

July 11, 2017

Sand Arroyo Bridge (Baca County, Colorado)
Concrete tee beam bridge over Sand Arroyo on CR 44
July 11, 2017: Added by Dana and Kay Klein

July 10, 2017

Eisenhower Tunnel (Summit County, Colorado)
Tunnel on I-70 Westbound at Loveland Pass
July 10, 2017: Merged duplicate pages

Beavertail Mountain Tunnel (Mesa County, Colorado)
Pair of tunnels under Beavertail Mountain on Interstate 70/US 6
July 10, 2017: Updated by Roger Deschner: Add build date, description, US 6 also goes through this tunnel

July 9, 2017

Beavertail Mountain Tunnel (Mesa County, Colorado)
Pair of tunnels under Beavertail Mountain on Interstate 70/US 6
July 9, 2017: New Street View added by Craig Philpott

Eisenhower Tunnel (Summit County, Colorado)
Tunnel on I-70 Westbound at Loveland Pass
July 9, 2017: Added by Craig Philpott

South Canon Bridge (Garfield County, Colorado)
Closed through truss bridge over the Colorado River just off I-70, west of Glenwood Springs
July 9, 2017: New photo from Craig Philpott

No Name Tunnel (Garfield County, Colorado)
Pair of tunnels on I-70 at Horseshoe Curve east of Glenwood Springs
July 9, 2017: New photos from Craig Philpott

June 25, 2017

Georgetown Loop - Devil's Gate Trestle (Clear Creek County, Colorado)
Rebuilt trestle on the Georgetown Loop Railroad
June 25, 2017: New photos from Daniel Barnes

Georgetown Loop - Clear Creek Pony Truss (Clear Creek County, Colorado)
Pony truss bridge over Clear Creek on the Georgetown Loop Railroad
June 25, 2017: New photos from Daniel Barnes

June 20, 2017

Rifle Bridge (Garfield County, Colorado)
Closed two-span through truss bridge over the Colorado River at Rifle
June 20, 2017: Updated by Christopher Finigan: Added category "Pin-connected"

June 19, 2017

UP - Colorado River Bridge (Grand Junction) (Mesa County, Colorado)
5 span through truss bridge over Colorado River on Union Pacific Railway
June 19, 2017: New Street View added by Dana and Kay Klein

Rifle Bridge (Garfield County, Colorado)
Closed two-span through truss bridge over the Colorado River at Rifle
June 19, 2017: New Street View added by Dana and Kay Klein

Glenwood Springs Viaduct (Garfield County, Colorado)
Plate girder bridge over Colorado River on CO 82 in Glenwood Springs
June 19, 2017: New Street View added by Dana and Kay Klein

Fruita Bridge (Mesa County, Colorado)
Three-span through truss bridge over Colorado River on 17-1/2 Road at Fruita
June 19, 2017: New Street View added by Dana and Kay Klein

De Beque Bridge (Mesa County, Colorado)
Two-span through truss over Colorado River on the I-70 Frontage Road (Old US 6)
June 19, 2017: New Street View added by Dana and Kay Klein

June 17, 2017

Graneros Creek CR 273 Bridge (Pueblo County, Colorado)
Concrete bridge over Graneros Creek on CR 273 (Old CO 181) in Colorado City
June 17, 2017: New Street View added by Dave King

June 16, 2017

Big Gulch Bridge (Moffat County, Colorado)
Concrete tee beam bridge over Big Gulch on Us 40 Ml
June 16, 2017: New Street View added by Dana and Kay Klein

May 31, 2017

Coaldale Bridge No. 2 (Fremont County, Colorado)
Pratt through truss bridge over Arkansas River on CR 6
May 31, 2017: Updated by Christopher Finigan: Added category "Pin-connected"

May 26, 2017

Florida River Bridge (La Plata County, Colorado)
Through truss bridge over Florida River on Ranchos Florida Road
May 26, 2017: Updated by Christopher Finigan: Added category "Pin-connected"

DSNG - Tefft Bridge (La Plata County, Colorado)
Pratt through truss bridge over Animas River on Durango & Silverton Narrow Gauge Railroad
May 26, 2017: Updated by Christopher Finigan: Added category "Pin-connected"

DSNG - Animas River High Bridge (La Plata County, Colorado)
Warren deck truss bridge over Animas River on Railroad
May 26, 2017: Updated by Christopher Finigan: Added category "Pin-connected"

DSNG - Animas River Bridge (La Plata County, Colorado)
Pratt through truss bridge over Animas River on Railroad
May 26, 2017: Updated by Christopher Finigan: Added category "Pin-connected"

May 23, 2017

Colorado Creek Bridge (Jackson County, Colorado)
Steel stringer bridge over Colorado Creek on Sh 14 Ml
May 23, 2017: Added by Dave King

Grizzly Creek Bridge (Jackson County, Colorado)
Steel stringer bridge over Grizzly Creek on Sh 14 Ml
May 23, 2017: Added by Dave King

May 20, 2017

Larimer And Weld Canal Bridge (Weld County, Colorado)
Concrete tee beam bridge over Larimer And Weld Canal on CR 76.5
May 20, 2017: Added by Dave King

April 29, 2017

Mineral Palace Park Bridge (Pueblo County, Colorado)
Closed-spandrel arch footbridge over Lake Clara at Mineral Palace Park in Pueblo
April 29, 2017: New Street View added by Dave King

April 27, 2017

DRGW - Chaffee Gulch Bridge (Ouray County, Colorado)
Abandoned pratt deck truss bridge over Uncompahgre River on Denver & Rio Grande Western Railroad
April 27, 2017: New Street View added by Dave King

CDOT - Wansted Street Overpass (Kiowa County, Colorado)
Steel stringer bridge over Us 287 Ml on Cdot Rr
April 27, 2017: Added by Dave King

CO-96 Bridge (Kiowa County, Colorado)
Timber stringer bridge over Draw on Sh 96 Ml
April 27, 2017: Added by Dave King

April 23, 2017

UP - Tunnel 39 (Grand County, Colorado)
Tunnel on Union Pacific Railroad
April 23, 2017: Photo imported by Roger Deschner

UP - Tunnel 40 (Grand County, Colorado)
Tunnel on Union Pacific Railroad
April 23, 2017: Photo imported by Roger Deschner

March 27, 2017

Red Cliff Arch Bridge (Eagle County, Colorado)
Steel deck arch bridge over Eagle River, Union Pacific Railroad, and Water Street on US 24 at Red Cliff
March 27, 2017: Updated by Roger Deschner: Add rehab info to description and links

March 2, 2017

DRGW - Elk Park Bridge (San Juan County, Colorado)
Pratt through truss bridge over Animas River on Abandoned Railroad
March 2, 2017: Updated by Christopher Finigan: Added category "Pin-connected"

US 550 Overpass over Durango and Silverton Railroad (La Plata County, Colorado)
Steel stringer bridge over Durango and Silverton Narrow Gauge Railroad on US Hwy 550 N
March 2, 2017: Added by Daniel Barnes

DSNG - Animas River High Bridge (La Plata County, Colorado)
Warren deck truss bridge over Animas River on Railroad
March 2, 2017: New photos from Daniel Barnes

DRGW - Elk Park Bridge (San Juan County, Colorado)
Pratt through truss bridge over Animas River on Abandoned Railroad
March 2, 2017: New photos from Daniel Barnes

Animas River Footbridge (La Plata County, Colorado)
Abandoned pony truss bridge over Animas River on Abandoned Trail?
March 2, 2017: New photo from Daniel Barnes

February 6, 2017

Animas River Trail Suspension Bridge (La Plata County, Colorado)
Wire suspension bridge over Animas River on Trail
February 6, 2017: New Street View added by Dana and Kay Klein

January 30, 2017

South Plum Creek Bridge (Prowers County, Colorado)
Timber stringer bridge over South Plum Creek on CR 26
January 30, 2017: Added by James Baughn

US 50 over BNSF Railway Bridge (Prowers County, Colorado)
Steel stringer bridge over BNSF Railway on US 50
January 30, 2017: New Street View added by David Backlin

US 50 over BNSF Railway Bridge (Prowers County, Colorado)
Steel stringer bridge over BNSF Railway on US 50
January 30, 2017: Added by James Baughn

North Plum Creek Bridge (Prowers County, Colorado)
Girder bridge over North Plum Creek on CR 22
January 30, 2017: Added by James Baughn

January 11, 2017

UP - Tennessee Pass Tunnel (Eagle County, Colorado)
Railroad tunnel under Tennessee Pass north of Leadville on closed Union Pacific RR
January 11, 2017: New video from Roger Deschner

January 8, 2017

Cherry Creek Bridge (Denver County, Colorado)
Lost Slab bridge over Cherry Creek on Downing Street
January 8, 2017: Added by Dave King

January 2, 2017

Roller Dam Bridge (Mesa County, Colorado)
Steel arch bridge over Colorado River on Walkway
January 2, 2017: Added by Dave King

December 29, 2016

San Miguel River Bridge (Montrose County, Colorado)
Pony truss bridge over San Miguel River on CR 79
December 29, 2016: New Street View added by Steve Conro

Boulder Creek Bridge (Boulder County, Colorado)
Lost Luten arch bridge over Boulder Creek on 17th Street
December 29, 2016: Added by Dave King

December 24, 2016

UP - Colorado River Bridge (Grand Junction) (Mesa County, Colorado)
5 span through truss bridge over Colorado River on Union Pacific Railway
December 24, 2016: Updated by Christopher Finigan: Added category "Pin-connected"

San Miguel River Bridge (Montrose County, Colorado)
Pony truss bridge over San Miguel River on CR 79
December 24, 2016: Added by Steve Conro

Uncompahgre River US 550 Bridge (Montrose County, Colorado)
Lost pony truss bridge over Uncompahgre River on southbound US 550
December 24, 2016: Updated by Steve Conro: Adjusted GPS

UP - Colorado River Bridge (Grand Junction) (Mesa County, Colorado)
5 span through truss bridge over Colorado River on Union Pacific Railway
December 24, 2016: New photos from Steve Conro

Rim Rock Drive Tunnel #3 East (Mesa County, Colorado)
Tunnel under Historic Rim Rock Drive on Land
December 24, 2016: Added by Steve Conro

Rim Rock Drive Tunnel #2 West Upper (Mesa County, Colorado)
Tunnel under Historic Rim Rock Drive on Land
December 24, 2016: Added by Steve Conro

Rim Rock Drive Tunnel #1 West Lower (Mesa County, Colorado)
Tunnel under Historic Rim Rock Drive on Land
December 24, 2016: Added by Steve Conro

December 21, 2016

West Salt Wash Bridge (Mesa County, Colorado)
Steel stringer bridge over West Salt Wash on Old US6 & US50
December 21, 2016: New photos from Steve Conro

Fruita Bridge (Mesa County, Colorado)
Three-span through truss bridge over Colorado River on 17-1/2 Road at Fruita
December 21, 2016: New photos from Steve Conro

December 12, 2016

Dolores River CO 90 Bridge (Montrose County, Colorado)
Through truss bridge over Dolores River on CO 90
December 12, 2016: Updated by Nathan Holth: Added builders.

Williams Fork River CR 330 Bridge (Grand County, Colorado)
4-panel Pratt pony truss bridge over Williams Fork River on CR 330
December 12, 2016: Updated by Matt Lohry: Updated bridge type and description.

November 22, 2016

UP - Moffat Tunnel (Grand County, Colorado)
Tunnel under Continental Divide west of Denver on Union Pacific RR
November 22, 2016: Updated by Roger Deschner: Add history; tunnel is actually owned by the State of Colorado

November 19, 2016

West Salt Wash Bridge (Mesa County, Colorado)
Steel stringer bridge over West Salt Wash on Old US6 & US50
November 19, 2016: Added by Steve Conro

November 15, 2016

UP - Indiana Street Overpass (Jefferson County, Colorado)
Deck plate girder bridge over Indiana Street on Union Pacific Railroad
November 15, 2016: New Street View added by Dana and Kay Klein

Red Rock Tunnel (Jefferson County, Colorado)
Tunnel under Red Rock on Red Rocks Park Road
November 15, 2016: New Street View added by Dana and Kay Klein

RTD - Sixth Avenue Overpass (Jefferson County, Colorado)
Steel through arch bridge over US 6/6th Avenue on Regional Transportation District West Rail Line
November 15, 2016: New Street View added by Dana and Kay Klein

C&S - Clear Creek Bridge #19 (Jefferson County, Colorado)
Lost Pratt through truss bridge over Clear Creek on Colorado & Southern Railway
November 15, 2016: New Street View added by Luke

BNSF - Cherry Creek Bridge (Denver County, Colorado)
Through truss bridge over Cherry Creek on Burlington Northern Santa Fe Railroad
November 15, 2016: New Street View added by Dana and Kay Klein

November 13, 2016

DRGW - Narrow Gauge Trestle (Montrose County, Colorado)
Pratt deck truss bridge over Cimarron River on Railroad Static Display
November 13, 2016: Photo imported by Dave King

November 11, 2016

CO 120 Viaduct (Fremont County, Colorado)
Tee beam bridge over the Union Pacific Railroad on CO 120
November 11, 2016: Photo imported by Dave King

November 10, 2016

Driveway Bridge (Archuleta County, Colorado)
Pony truss bridge over Navajo River on Driveway
November 10, 2016: Added by Dave King

DRGW - San Juan River Bridge (Archuleta County, Colorado)
Pratt Through truss bridge over San Juan River on Denver & Rio Grande Western Railroad
November 10, 2016: New Street View added by Dave King

DSNG - Navajo River Bridge (Archuleta County, Colorado)
Pratt through truss bridge over Navajo River on Durango & Silverton Railroad
November 10, 2016: Added by Dave King

DSNG - Tefft Bridge (La Plata County, Colorado)
Pratt through truss bridge over Animas River on Durango & Silverton Narrow Gauge Railroad
November 10, 2016: Photo imported by Dave King

Florida River Bridge (La Plata County, Colorado)
Through truss bridge over Florida River on Ranchos Florida Road
November 10, 2016: Added by Dave King

DSNG - Animas River Bridge (La Plata County, Colorado)
Pratt through truss bridge over Animas River on Railroad
November 10, 2016: Photo imported by Dave King

November 6, 2016

UP - Indiana Street Overpass (Jefferson County, Colorado)
Deck plate girder bridge over Indiana Street on Union Pacific Railroad
November 6, 2016: Added by Dave King

DRGW - Cat Creek Bridge (Archuleta County, Colorado)
Abandoned pratt through truss bridge over Cat Creek on Denver & Rio Grande Railroad
November 6, 2016: Added by Dave King

November 1, 2016

Quartz Creek Bridge (Gunnison County, Colorado)
Wooden pony arch bridge over Quartz Creek on CR 76
November 1, 2016: New Street View added by Dana and Kay Klein

October 9, 2016

Grand Avenue Pedestrian Bridge (Garfield County, Colorado)
Steel arch bridge over I-70 and the Colorado River on Pedestrian path
October 9, 2016: New Street View added by Dana and Kay Klein

Grand Avenue Pedestrian Bridge (Garfield County, Colorado)
Steel arch bridge over I-70 and the Colorado River on Pedestrian path
October 9, 2016: Updated by Luke: Updated status per forum comment + added build date

October 2, 2016

Royal Gorge - Hanging Bridge (Fremont County, Colorado)
Pony/through plate girder bridge over Edge of Arkansas River on Rock & Rail LLC/Caņon City & Royal Gorge Railroad
October 2, 2016: New photo from Dana and Kay Klein

September 15, 2016

Red Cliff Arch Bridge (Eagle County, Colorado)
Steel deck arch bridge over Eagle River, Union Pacific Railroad, and Water Street on US 24 at Red Cliff
September 15, 2016: Updated by Roger Deschner: Added photos, description, street views

September 14, 2016

Red Cliff Arch Bridge (Eagle County, Colorado)
Steel deck arch bridge over Eagle River, Union Pacific Railroad, and Water Street on US 24 at Red Cliff
September 14, 2016: New photo from Roger Deschner

September 13, 2016

UP - Tennessee Pass Tunnel (Eagle County, Colorado)
Railroad tunnel under Tennessee Pass north of Leadville on closed Union Pacific RR
September 13, 2016: Updated by Roger Deschner: Add photos and street view; update status to "embargoed" per wikipedia

September 12, 2016

Uncompahgre RiverWay Trail - Ridgway Bridge (Ouray County, Colorado)
Pratt through truss bridge over Uncompahgre River on Uncompahgre RiverWay Trail
September 12, 2016: Added by Luke

UP - Fountain Creek Bridge (Pueblo County, Colorado)
Abandoned warren through truss bridge over Fountain Creek on Union Pacific Railroad
September 12, 2016: New Street View added by Luke

September 6, 2016

Rio Grande Bridge (Rio Grande County, Colorado)
Lost Parker through truss bridge over Rio Grande on US-285
September 6, 2016: Added by Dave King

Beaver Creek Bridge (Fremont County, Colorado)
Pony truss bridge over Beaver Creek on CR 120 (formerly CO 120) in Penrose
September 6, 2016: Updated by Dave King: Added builder

Buttes Bridge (El Paso County, Colorado)
Lost Camelback through truss bridge over Fountain Creek on Pueblo Road
September 6, 2016: Added by Luke

Las Animas Bridge (Bent County, Colorado)
Lost Parker through truss bridge over Arkansas River on Bent Avenue N
September 6, 2016: Added by Dave King

September 5, 2016

Royal Gorge - Hanging Bridge (Fremont County, Colorado)
Pony/through plate girder bridge over Edge of Arkansas River on Rock & Rail LLC/Caņon City & Royal Gorge Railroad
September 5, 2016: New Street View added by Dana and Kay Klein

Royal Gorge - Hanging Bridge (Fremont County, Colorado)
Pony/through plate girder bridge over Edge of Arkansas River on Rock & Rail LLC/Caņon City & Royal Gorge Railroad
September 5, 2016: Photo imported by Dave King

August 18, 2016

Brown's Canyon Bridge (Chaffee County, Colorado)
Two-span concrete deck girder bridge over Arkansas River on CR 191 at Stone Bridge Access Park
August 18, 2016: Photo imported by Dave King

Sevenmile Bridge (Mineral County, Colorado)
Deck truss bridge over the Rio Grande at the entrance to Marshall Park Campground, just off CO 149
August 18, 2016: Photo imported by Dave King

St. Charles Bridge (Pueblo County, Colorado)
Three-span closed-spandrel arch bridge over St. Charles River on CR 65 in Pueblo
August 18, 2016: Photo imported by Dave King

Labo Del Rio Bridge (Archuleta County, Colorado)
Through truss bridge over Piedra River on CR F50
August 18, 2016: Photo imported by Dave King

Great Western Sugar Company Bridge (Larimer County, Colorado)
Suspension bridge over Poudre River
August 18, 2016: Photo imported by Dave King

Douglas Crossing Bridge (Prowers County, Colorado)
Six-span stone arch bridge over Two Butte Creek on CR 28
August 18, 2016: Photo imported by Dave King

Granada Bridge (Prowers County, Colorado)
Steel stringer bridge over Arkansas River on US-385
August 18, 2016: Added by Dave King

Florence Main Street Bridge (Fremont County, Colorado)
Concrete arch bridge over Coal Creek on CO 115 in Florence
August 18, 2016: Photo imported by Dave King

August 17, 2016

Bike-Ped Bridge (Broomfield County, Colorado)
Steel through arch bridge over W. Flatiron Circle on Zip Line Route
August 17, 2016: Added by Dave King

July 30, 2016

Williams Fork River CR 330 Bridge (Grand County, Colorado)
4-panel Pratt pony truss bridge over Williams Fork River on CR 330
July 30, 2016: Updated by Roger Deschner: Added photos, corrected GPS location, added builder

May 8, 2016

Coaldale Bridge No. 2 (Fremont County, Colorado)
Pratt through truss bridge over Arkansas River on CR 6
May 8, 2016: Added by James Baughn

March 24, 2016

Colorado Trail Bridge (La Plata County, Colorado)
Pratt pony truss bridge over Animas River on Colorado Trail
March 24, 2016: Added by J.P.

March 11, 2016

Cottonwood Creek Bridge (El Paso County, Colorado)
Stone arch bridge over Cottonwood Creek on Vincent Drive
March 11, 2016: Added by J.P.

February 29, 2016

UP - Badger Creek Bridge (Fremont County, Colorado)
Through truss bridge over Badger Creek on Union Pacific Railroad
February 29, 2016: Posted photos from Monty Willson

January 30, 2016

Midland Tunnel No. 3 (Chaffee County, Colorado)
Third of four tunnels on CR 371 north of Buena Vista
January 30, 2016: New photo from Kellie Keene

Midland Tunnel No. 2 (Chaffee County, Colorado)
Second of four tunnels on CR 371 north of Buena Vista
January 30, 2016: New photo from Kellie Keene

January 26, 2016

Busk-Ivanhoe Tunnel (Pitkin County, Colorado)
Tunnel
January 26, 2016: New photos from Kellie Keene

January 23, 2016

Four Mile Bridge (Routt County, Colorado)
Through truss bridge over Elk River on CR 42. Truss moved to hill overlooking US 40 when the bridge was replaced in 1989.
January 23, 2016: Updated by Dave King: Fixed map marker to bridges location

Four Mile Bridge (Routt County, Colorado)
Through truss bridge over Elk River on CR 42. Truss moved to hill overlooking US 40 when the bridge was replaced in 1989.
January 23, 2016: Updated by Kevin Skow: Truss survives! Discovered it while driving through CO sitting on a hill north of US 40

January 16, 2016

Snowden Bridge (Lake County, Colorado)
Two-span Luten arch bridge over Arkansas River
January 16, 2016: Updated by Don Morrison: Added category "Luten arch"

January 13, 2016

Royal Gorge Bridge (Fremont County, Colorado)
Suspension bridge over the Arkansas River (Royal Gorge) west of Caņon City
January 13, 2016: New Street View added by Dave King

December 1, 2015

Black Bridge (Delta County, Colorado)
Through truss bridge over North Fork Gunnison River on CR 4175D near Paonia
December 1, 2015: Updated by Nathan Holth: Added common name.

November 30, 2015

Stein Bridge (Pitkin County, Colorado)
Pratt through truss bridge over Roaring Fork River on Trail to the Rio Grande Trail and AABC
November 30, 2015: Added by Nathan Holth

Smith Hill Way Bridge (Pitkin County, Colorado)
Pony truss bridge over Roaring Fork River on Abandoned Smith Way Alignment
November 30, 2015: New Street View added by Nathan Holth

November 22, 2015

Costilla Crossing Bridge (Conejos County, Colorado)
Two-span Thacher through truss bridge over the Rio Grande on CR G east of Antonito
November 22, 2015: New photos from Erik Hoffman

November 8, 2015

Costilla Crossing Bridge (Conejos County, Colorado)
Two-span Thacher through truss bridge over the Rio Grande on CR G east of Antonito
November 8, 2015: Updated by Erik Hoffman: Bridge reopened

October 23, 2015

Castle Rock Upper Bridge (Boulder County, Colorado)
Steel girder/floorbeam bridge over Middle Boulder Creek on Old Boulder Canyon Drive (Co Rd 54A, former CO 119)
October 23, 2015: Updated by Roger Deschner: Added category "Jack Arch Deck"; added photos

September 14, 2015

RGS - Bridge 46E (San Miguel County, Colorado)
Lost Timber stringer bridge over Tributary of Ilium Flume on Rio Grande Southern Railroad
September 14, 2015: Added by Luke

RGS - Bridge 46D (Old) (San Miguel County, Colorado)
Howe deck truss bridge over Tributary of Ilium Flume on Rio Grande Southern Railroad
September 14, 2015: Added by Luke

SLRG - Rio Grande Bridge (Alamosa County, Colorado)
Steel stringer bridge over Rio Grande River on Rio Grande Scenic Railroad
September 14, 2015: Added by Dave King

September 1, 2015

Portland Bridge (Fremont County, Colorado)
Deck truss over the Arkansas River on SH 120 at Portland
September 1, 2015: Updated by Elliott Johnson: bridge has been replaced

August 15, 2015

Busk-Ivanhoe Tunnel (Pitkin County, Colorado)
Tunnel
August 15, 2015: Updated by Luke: Mapped

July 22, 2015

Riflesight Notch Loop (Grand County, Colorado)
Abandoned timber stringer bridge over Denver and Salt Lake Railway on Denver and Salt Lake Railway
July 22, 2015: Updated by Luke: Removed category "Bridge-Tunnel" as it is not a bridge-tunnel

Riflesight Notch Loop (Grand County, Colorado)
Abandoned timber stringer bridge over Denver and Salt Lake Railway on Denver and Salt Lake Railway
July 22, 2015: Updated by Roger Deschner: Added category "Bridge-Tunnel"

June 19, 2015

Arkansas River Bridge (Lake County, Colorado)
Timber stringer bridge over Arkansas River on Sh 300
June 19, 2015: New Street View added by David Backlin

June 18, 2015

Busk-Ivanhoe Tunnel (Pitkin County, Colorado)
Tunnel
June 18, 2015: Added by David Backlin

June 9, 2015

Fruita Bridge (Mesa County, Colorado)
Three-span through truss bridge over Colorado River on 17-1/2 Road at Fruita
June 9, 2015: Updated by Luke: City is planning to convert the bridge

May 25, 2015

Castle Rock Lower Bridge (Boulder County, Colorado)
Concrete slab bridge over Middle Boulder Creek on Old Boulder Canyon Drive (Co Rd 54A)
May 25, 2015: Added by Roger Deschner

Castle Rock Upper Bridge (Boulder County, Colorado)
Steel girder/floorbeam bridge over Middle Boulder Creek on Old Boulder Canyon Drive (Co Rd 54A, former CO 119)
May 25, 2015: Added by Roger Deschner

May 3, 2015

State Bridge (Eagle County, Colorado)
Lost two-span Howe through truss bridge over Colorado River
May 3, 2015: Photo imported by Roger Deschner

May 1, 2015

UP - Tunnel 42 (Eagle County, Colorado)
Tunnel on Union Pacific Railroad
May 1, 2015: New photo from Roger Deschner

State Bridge (Eagle County, Colorado)
Lost two-span Howe through truss bridge over Colorado River
May 1, 2015: Updated by Roger Deschner: Photos added

Horseshoe Campground Bridge (Grand County, Colorado)
Timber stringer bridge over Williams Fork River on Co Highway 32
May 1, 2015: Added by Roger Deschner

Quaking Creek Ranch Bridge No. 2 (Summit County, Colorado)
Parker pony truss bridge over Blue River on Pioneer Ranch Road
May 1, 2015: Updated by Roger Deschner: Added, with photos and street view

April 19, 2015

UP - Kiowa Creek Bridge (Adams County, Colorado)
Double-intersection Warren through truss bridge over Kiowa Creek on Union Pacific Railroad
April 19, 2015: Added by Luke

April 5, 2015

Denver & Rio Grande Scenic - Rio Grande Bridge (Mineral County, Colorado)
Through truss bridge over Rio Grande on Denver & Rio Grande Scenic Railroad
April 5, 2015: New photo from scott branine

March 30, 2015

Henderson Mine Tunnel (Clear Creek County, Colorado)
Tunnel through Red Mountain on Conveyor Belt (Formerly Henderson Mine Railroad)
March 30, 2015: New video from Luke

March 28, 2015

CS - I25 Overpass (Denver County, Colorado)
Lost Pony/through plate girder bridge over Interstate 25 on Colorado & Southern Railroad
March 28, 2015: Updated by Luke: Added link to imagery

March 25, 2015

Royal Gorge - Hanging Bridge (Fremont County, Colorado)
Pony/through plate girder bridge over Edge of Arkansas River on Rock & Rail LLC/Caņon City & Royal Gorge Railroad
March 25, 2015: New photo from Luke

March 14, 2015

BNSF - Purgatoire River Bridge (Las Animas County, Colorado)
Pony plate girder bridge over Purgatoire River on BNSF Railway
March 14, 2015: New Street View added by Luke

BNSF - Old Ratan Pass Road Arch (Las Animas County, Colorado)
Stone arch bridge over Old Ratan Pass Road & Ratan Creek on BNSF Railway
March 14, 2015: New Street View added by Luke

February 18, 2015

Royal Gorge Incline Railway (Fremont County, Colorado)
Bridge on Railway
February 18, 2015: Updated by Luke: Added category "Funicular"