Status: Abandoned and partially caved-in
Location: 38.647957,-106.406844
Carries Denver, South Park & Pacific Railroad over Continental Divide
Design: tunnel
Design Details: Tunnel
Total Length: 1800.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned tunnel under the Continental Divide on the Denver, South Park & Pacific Railroad, southwest of St. Elmo
History: Built 1880-82 by the Denver, South Park & Pacific Railroad; collapsed and abandoned in 1910
Built: 1882
Location: Gunnison County
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127111
Rock cut from above
Photo taken by James Baughn in June 2007
127112
Diagram
Photo taken by James Baughn in June 2007
127113
Historic marker
Photo taken by James Baughn in June 2007
127114
Mountainside
Photo taken by James Baughn in June 2007
127115
Old rail grade
Photo taken by James Baughn in June 2007
127116
Remains of west portal
Photo taken by James Baughn in June 2007
127117
West approach
Photo taken by James Baughn in June 2007
484625
Photo taken by Glenn Celerier on 18 August 2020
484626
Photo taken by Glenn Celerier on 18 August 2020
484627
Photo taken by Glenn Celerier on 18August 2020
484628
Alpine Tunnel East Portal 1985
https://www.pinterest.com/pin/17873729749686059/
Status: Open to traffic
Very careful rehabilitation completed 2012.
Location: 38.533381,-106.950499
Carries US 50 Service Road over Gunnison River
Design: truss/through/pratt
Design Details: 8-panel Pratt through trusses
Riveted
Total Length: 129.0 Feet
Span Length: 125.0 Feet
Overview: Pair of through trusses over the Gunnison River on Old US 50 just west of Gunnison
History: Built 1926-27; bypassed 1957; rehabilitated 2011-12
Built: 1927
Location: Gunnison County
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101562
East bridge, side view
Photo taken by James Baughn
101563
East bridge, deck view
Photo taken by James Baughn
101564
East bridge, close-up of truss
Photo taken by James Baughn
101565
West bridge, distance shot
Photo taken by James Baughn
101566
West bridge, side view
Photo taken by James Baughn
259874
Barrel shot through both bridges
West bridge in foreground; east bridge in background
Photo taken by Roger Deschner in June 2013
259875
East bridge detail
Photo taken by Roger Deschner in June 2013
259876
Truss detail
Photo taken by Roger Deschner in June 2013
259877
Builder's plate
Photo taken by Roger Deschner in June 2013
Status: Open to traffic
Location: 38.522120,-106.670267
Carries CR 76 over Quartz Creek
Design: arch/pony/wood
Design Details:
Total Length: 51.8 Feet
Span Length: 49.8 Feet
Overview: Wooden pony arch bridge over Quartz Creek on CR 76
History: Built 1990
Built: 1990
Location: Gunnison County
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109192
Deck view
Photos taken June 2007 by James Baughn
109193
Center joint
109194
Oblique view
109195
Outriggers
Status: Replaced by new bridge
Location: 38.955000,-107.271667
Carries CR 12 over Anthracite Creek
Design: truss/through
Design Details: Through truss
Total Length: 147.0 Feet
Span Length: 142.1 Feet
Overview: Lost through truss bridge over Anthracite Creek on CR 12
History: Built 1925; replaced 1993
Built: 1925
Location: Gunnison County
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Status: Removed
Location: 38.447001,-107.555189
Carries Denver & Rio Grande Western Railroad over Cimarron River
Design: truss/through/parker
Design Details: Parker through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Parker through truss bridge over Cimarron River on Denver & Rio Grande Western Railroad
History:
Built:
Location: Gunnison County
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Status: Inundated?
Location: 38.480814,-107.086682
Carries Road over Gunnison River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 0.0 Feet
Span Length: 125.0 Feet
Overview: Pratt through truss bridge over Gunnison River on Road
History: Built 1908
Built: 1908
Location: Gunnison County
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411146
Published prior to 1923
Status: Open to authorized vehicles only
Location: 38.575349,-106.932109
Carries Private Road over Gunnison River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Pratt through truss bridge over Gunnison River on Private Road
History:
Built:
Location: Gunnison County
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Status: Open to authorized vehicles only
Location: 38.577916,-106.934309
Carries Private Road over Ohio Creek
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Pratt through truss bridge over Ohio Creek on Private Road
History:
Built:
Location: Gunnison County
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Status: Inundated in 1963 by Blue Mesa Dam construction
Location: 38.460861,-107.321813
Carries Highway over Lake Fork Gunnison River
Design: arch/deck/steel
Design Details: 180' Steel arch
1 54' Steel stringer
1 15' Steel stringer
Total Length: 259.0 Feet
Span Length: 180.0 Feet
Overview: Steel arch bridge over Lake Fork Gunnison River on Highway
History: Built 1923
Built: 1923
Location: Gunnison County
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439199
Public Domain: Copyright Expired
439212
Public Domain: Published Prior to 1923
439213
Public Domain: Published Prior to 1923
439214
Public Domain: Published Prior to 1923
439216
Public Domain: Published Prior to 1923
Status: Replaced by a new bridge
Location: 38.462246,-107.314519
Carries Highway over Lake Fork Gunnison River
Design: truss/pony/pratt
Design Details: Pratt pony truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Pratt pony truss bridge over Lake Fork Gunnison River on Highway
History: Built ca. 1913; Replaced 1923
Built: 1913
Location: Gunnison County
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439198
Public Domain: Copyright Expired
Status: Inundated
Location: 38.462246,-107.314519
Carries Denver & Rio Grande Western Railroad over Lake Fork Gunnison River
Design: truss/through/howe
Design Details: Howe through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Howe through truss bridge over Lake Fork Gunnison River on Denver & Rio Grande Western Railroad
History: Built ca. 1889; Removed 1937
Built: 1889
Location: Gunnison County
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439201
Public Domain: Copyright Expired
439215
Public Domain: Published Prior to 1923
Status: Inundated in 1963 by Blue Mesa Dam construction
Location: 38.462246,-107.314519
Carries Denver & Rio Grande Western Railroad over Gunnison River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Pratt through truss bridge over Gunnison River on Denver & Rio Grande Western Railroad
History: Abandoned in 1955
Built:
Location: Gunnison County
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439200
Public Domain: Copyright Expired
Status: Open to traffic
Location: 38.643865,-106.865873
Carries an access road behind Lost Canyon Resort over Gunnison River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Pratt through truss bridge over Gunnison River on an access road behind Lost Canyon Resort
History:
Built: 1928
Location: Gunnison County
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475589
Photo taken by James McCray in July 2020
475590
Photo taken by James McCray in July 2020
475591
Photo taken by James McCray in July 2020
475592
Photo taken by James McCray in July 2020
475593
Photo taken by James McCray in July 2020
475594
Photo taken by James McCray in July 2020
475595
Photo taken by James McCray in July 2020
Status:
Location: 38.627756,-106.865829
Carries over Gunnison River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Pratt through truss bridge over Gunnison River
History:
Built:
Location: Gunnison County
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Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.
