Status: Open to traffic
Location: 37.340044,-104.997829
Carries FR 415, CR46 over Rock formation
Design: tunnel
Design Details: Tunnel
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Stone arch tunnel through a rock dike on FR 415 just east of Cordova Pass
History: Built 1933-34 by the Civilian Conservation Corps
Built: 1934
Location: Las Animas County
View Bridge Information In Wayback Machine
101586
Historic photos
These historic photos submitted by Laurie Miller show the construction progress of building the arch
101587
Second photo
101588
Third photo
101589
Fourth photo
101590
Fifth photo
101591
Sixth photo
101592
Seventh photo
145491
Looking SSE
The Jeep and girlfriend give a sense of scale. It is large but certainly single lane.
Photo taken by John Cross in August 2009
145492
Looking NNW from the "low" Side
Photo taken by John Cross in August 2009
145493
Looking ESE
Note the "enhanced" Keystone, a nice touch
Photo taken by John Cross in August 2009
482198
Photo taken looking "uphill."
Photo taken by Glenn Celerier on 22 August 2020
482199
Photo taken looking "downhill."
Photo taken by Glenn Celerier 22 August 2020
Status: Open to traffic
Location: 37.124167,-104.648611
Carries CO 12 over Burro Canyon
Design: arch/deck/stone
Design Details: Stone arch
Total Length: 62.0 Feet
Span Length: 17.0 Feet
Overview: Three-span stone arch bridge over Burro Canyon on CO 12
History: Built 1936 by the Works Progress Administration
Built: 1936
Location: Las Animas County
View Bridge Information In Wayback Machine
488774
Burro Canyon Bridge
Photo taken by Jeffrey Beall
Status: Intact but closed to all traffic
Location: 37.650938,-104.072658
Carries CR 121.0 over Christian Canyon Creek
Design: truss/pony
Design Details: Pony truss
Total Length: 75.1 Feet
Span Length: 42.0 Feet
Overview: Pony truss bridge over Christian Canyon Creek on CR 121.0
History: Built ca. 1920; rehabilitated 1950
Built: ca. 1920
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.108611,-104.252222
Carries CR 105.5 over Dry Creek
Design: truss/pony
Design Details: Pony truss
Total Length: 50.8 Feet
Span Length: 49.8 Feet
Overview: Pony truss bridge over Dry Creek on CR 105.5
History: Built ca. 1930
Built: ca. 1930
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Replaced by modern bridge
Location: 37.248688,-104.400809
Carries CR 36.0 over Purgatoire River
Design: truss/through/pratt
Design Details: Pin-connected, 8-panel Pratt through truss
Total Length: 152.0 Feet
Span Length: 150.0 Feet
Overview: Lost through truss bridge over Purgatoire River on CR 36.0
History: Built 1905 by the Pueblo Bridge Co.; replaced 1994
Built: 1905
Location: Las Animas County
View Bridge Information In Wayback Machine
127301
Three Quarter View Of North Portal. View To Southeast
HAER photos taken May 1993 by Mark Nash
Photo taken by Historic American Engineering Record
127302
Three Quarter View Of South Portal. View To Northwest
Photo taken by Historic American Engineering Record
127303
Three Quarter View Of Downstream Side. View To Northwest
Photo taken by Historic American Engineering Record
127304
Far View Of Downstream Side. View To West
Photo taken by Historic American Engineering Record
127305
Intermediate View Of Downstream Side. View To West
Photo taken by Historic American Engineering Record
127306
Near View Of Downstream Side. View To West
Photo taken by Historic American Engineering Record
127307
Far View Of Upstream Side. View To East
Photo taken by Historic American Engineering Record
127308
Far View Of North Portal. View To South
Photo taken by Historic American Engineering Record
127309
Near View Of North Portal. View To South
Photo taken by Historic American Engineering Record
127310
Far View Of South Portal. View To North
Photo taken by Historic American Engineering Record
127311
Near View Of South Portal. View To North
Photo taken by Historic American Engineering Record
127312
South Abutment. View To South
Photo taken by Historic American Engineering Record
Status: Open to traffic
Location: 37.311944,-104.315556
Carries CR 91.0 over Furness Arroyo
Design: arch
Design Details: Arch
Total Length: 36.0 Feet
Span Length: 36.0 Feet
Overview: Arch bridge over Furness Arroyo on CR 91.0
History: Built ca. 1920
Built: ca. 1920
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.252778,-104.410556
Carries CR 75.1 over Leitensdorfer Arroyo
Design: arch
Design Details: Arch
Total Length: 42.0 Feet
Span Length: 42.0 Feet
Overview: Arch bridge over Leitensdorfer Arroyo on CR 75.1
History: Built 1935; rehabilitated 2001
Built: 1935
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.260833,-104.430278
Carries CR 79.0 over Model Ditch
Design: girder/pony/concrete
Design Details: Concrete pony girder
Total Length: 41.0 Feet
Span Length: 40.0 Feet
Overview: Concrete girder bridge over Model Ditch on CR 79.0
History: Built 1945
Built: 1945
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Closed to all traffic
Location: 37.356667,-103.886667
Carries CR 143.0 over Purgatoire River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 233.9 Feet
Span Length: 120.0 Feet
Overview: Two-span through truss bridge over Purgatoire River on CR 143.0
History: Built 1929; rehabilitated 1960
Built: 1929
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.140000,-104.880000
Carries CO 12 over Purgatoire River
Design: arch
Design Details: Arch
Total Length: 47.9 Feet
Span Length: 44.9 Feet
Overview: Arch bridge over Purgatoire River on CO 12
History: Built 1925
Built: 1925
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Replaced by a new bridge
Location: 37.287278,-104.318662
Carries US 350 over Purgatoire River
Design: truss/pony/parker
Design Details: Riveted, 6-panel Parker pony truss
Total Length: 169.0 Feet
Span Length: 125.0 Feet
Overview: Lost pony truss bridge over Purgatoire River on US 350
History: Built 1937; replaced 2014
Built: 1937
Location: Las Animas County
View Bridge Information In Wayback Machine
101596
Deck view
Photo taken by James Baughn
101597
Side view
Photo taken by James Baughn
Status: Open to traffic
Location: 37.146667,-104.620000
Carries CR 57.7 over Reilly Canyon Creek
Design: truss/pony/warren
Design Details: Pony truss
Total Length: 63.0 Feet
Span Length: 60.0 Feet
Overview: Pony truss bridge over Reilly Canyon Creek on CR 57.7 in Cokedale
History: Built 1926; rehabilitated 1960
Built: 1926
Location: Las Animas County
View Bridge Information In Wayback Machine
145476
Deck/Roadway View Looking Generally North
Photo taken by John Cross in August 2009
145477
Name Date Plate (all 4 were in place)
Colorado Sate Highway Department 1926
Photo taken by John Cross in August 2009
145478
Infrared 3/4 Side View
Photo taken by John Cross in August 2009
Status: Open to traffic
Location: 37.322778,-104.586667
Carries CR 40.2 over Road Canyon Creek
Design: arch/deck/closed
Design Details: Closed-spandrel arch
Total Length: 46.9 Feet
Span Length: 46.9 Feet
Overview: Closed-spandrel arch bridge over Road Canyon Creek on CR 40.2
History: Built 1912
Built: 1912
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.136389,-104.180833
Carries CR 22.0 over San Isidro Creek
Design: truss/pony
Design Details: Pony truss
Total Length: 42.0 Feet
Span Length: 38.0 Feet
Overview: Pony truss bridge over San Isidro Creek on CR 22.0
History: Built 1967
Built: 1967
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.107778,-104.251111
Carries CR 105.5 over Thompson Creek
Design: truss/pony
Design Details: Pony truss
Total Length: 50.8 Feet
Span Length: 49.8 Feet
Overview: Pony truss bridge over Thompson Creek on CR 105.5
History: Built ca. 1930
Built: ca. 1930
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Replaced by a new bridge
Location: 37.594594,-104.044771
Carries CR 121.0 over Timpas Creek
Design: truss/pony
Design Details: Pony truss
Total Length: 84.9 Feet
Span Length: 42.0 Feet
Overview: Los tpony truss bridge over Timpas Creek on CR 121.0
History: Built ca. 1920
Built: ca. 1920
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.129167,-103.951111
Carries CR 131.0 over Trementina Creek
Design: arch/deck/stone
Design Details: Stone arch
Total Length: 32.1 Feet
Span Length: 29.8 Feet
Overview: Stone arch bridge over Trementina Creek on CR 131.0
History: Built 1936
Built: 1936
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.019167,-104.084444
Carries CR 4.4 over Trinchera Creek
Design: truss/pony
Design Details: Pony truss
Total Length: 82.0 Feet
Span Length: 80.0 Feet
Overview: Pony truss bridge over Trinchera Creek on CR 4.4
History: Built ca. 1950
Built: ca. 1950
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.123333,-104.763333
Carries CO 12 over Zaracillo Canyon
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 117.1 Feet
Span Length: 23.0 Feet
Overview: Concrete bridge with stone piers over Zaracillo Canyon on CO 12
History: Built 1936
Built: 1936
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Replaced by new bridge
Location: 37.172500,-104.498889
Carries Linden Avenue over Purgatoire River
Design: truss/through/pennsylvania
Design Details: Two-span Pennsylvania through truss
Total Length: 438.0 Feet
Span Length: 219.0 Feet
Overview: Lost Pennsylvania through truss bridge over Purgatoire River on Linden Avenue in Trinidad
History: Built 1912; replaced 1989
Built: 1912
Location: Las Animas County
View Bridge Information In Wayback Machine
127287
Overall View Of Southwest Web, Southeast Span, Looking Southeast
Photo taken by Historic American Engineering Record
127288
Overall View Of Northeast Web, Southeast Span, Looking Upstream To The Southwest
Photo taken by Historic American Engineering Record
127289
Overall View Of Southwest Web, Southeast Span, Looking Downstream To The Northeast
Photo taken by Historic American Engineering Record
127290
View Of North Portal, Looking Southeast
Photo taken by Historic American Engineering Record
127291
View Of South Portal, Looking Northwest
Photo taken by Historic American Engineering Record
127292
Detail View Of Top Lateral Bracing, Southeast Span, Looking Northwest
Photo taken by Historic American Engineering Record
127293
Detail View Of Northwest Web Of The Southeast Span, Showing Deck, Bracing And Panel, Looking Northeast
Photo taken by Historic American Engineering Record
127294
View Of North Abutment, Looking Northwest
Photo taken by Historic American Engineering Record
127295
View Of South Abutment, Looking Southwest
Photo taken by Historic American Engineering Record
127296
View Of Central Pier Abutment, Looking Southwest
Photo taken by Historic American Engineering Record
127297
View Of Subdivided Mid Panel Point Of The Webbing, Northeast Web, Southeast Span, Looking Northeast
Photo taken by Historic American Engineering Record
127298
View Of Lower Chord, Showing Vertical Web Member Connection, Northeast Web, Looking Southwest
Photo taken by Historic American Engineering Record
127299
View Of Top Chord Connection, Showing Diagonal And Vertical Web Members And Top Lateral Bracing, Southeast Span, Looking Northeast
Photo taken by Historic American Engineering Record
127300
View Of Bottom Lateral Bracing With Stringers And Floor Beams, Northwest Span, Looking Northwest
Photo taken by Historic American Engineering Record
Status: Replaced by new bridge
Location: 37.172222,-104.506944
Carries Commercial Street over Purgatoire River
Design: arch/deck/luten
Design Details: Two-span closed-spandrel Luten concrete arch.
Total Length: 176.0 Feet
Span Length: 70.0 Feet
Overview: Lost two-span Luten arch bridge over Purgatoire River on Commercial Street in Trinidad.
History: Built 1905; replaced 1990
Built: 1905
Location: Las Animas County
View Bridge Information In Wayback Machine
127275
Overall View Of Bridge, Looking East
Photo taken by Historic American Engineering Record
127276
Overall View Of Bridge, Looking West (Upstream)
Photo taken by Historic American Engineering Record
127277
Overall View Of Bridge, Looking East (Downstream)
Photo taken by Historic American Engineering Record
127278
View Of Southeast Portal, Looking Northwest
Photo taken by Historic American Engineering Record
127279
View Of Northwest Portal, Looking Southeast
Photo taken by Historic American Engineering Record
127280
View Of North Arch, Looking East
Photo taken by Historic American Engineering Record
127281
View Of Center Pier On West Side, Looking East
Photo taken by Historic American Engineering Record
127282
View Of Center Pier On East Side, Looking Southwest
Photo taken by Historic American Engineering Record
127283
View Of North Abutment, Looking Southeast
Photo taken by Historic American Engineering Record
127284
View Of Original Balusters On South End, Looking North
Photo taken by Historic American Engineering Record
127285
View Of Name Plate On Southeast Portal, Looking West
Photo taken by Historic American Engineering Record
127286
View Of Name Plate On Northwest Portal, Looking East
Photo taken by Historic American Engineering Record
495761
Commercial Street Bridge
Photo from old postcard
Status: Closed to all traffic
Location: 37.122020,-104.723660
Carries Out of Service Trinidad Railway (BNSF) over Purgatoire River
Design: truss/through/pratt
Design Details: Two-span Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Through truss bridge over Purgatoire River on Out of Service Trinidad Railway (BNSF)
History:
Built:
Location: Las Animas County
View Bridge Information In Wayback Machine
145479
Infrared View to the SE
Out of Service Trinidad Railway (BNSF) on private property, ask for permission to photograph this bridge.
Photo taken by John Cross in August 2009
145480
Distant View to the WSW
Photo taken by John Cross in August 2009
145481
Ask for Permission to Photograph This Bridge
Photo taken by John Cross in August 2009
Status: Closed to all traffic
Location: 37.120721,-104.733598
Carries Colorado & Wyoming Railway over Purgatoire River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Through truss bridge over Purgatoire River on Colorado & Wyoming Railway
History:
Built:
Location: Las Animas County
View Bridge Information In Wayback Machine
145482
3/4 Side View shot to the SW
Approx. at grade just West of former Sequndo Siding.
Photo taken by John Cross in August 2009
145483
3/4 Side View
Above Grade
Photo taken by John Cross in August 2009
482197
Photo taken by Glenn Celerier on 24 August 2020
482200
Looking west.
Photo taken by Glenn Celerier on 24 August 2020
482201
Photo taken by Glenn Celerier on 24 August 2020
482202
Photo taken by Glenn Celerier on 24 August 2020
482203
Photo taken by Glenn Celerier on 24 August 2020
482204
Photo taken by Glenn Celerier on 24 August 2020
482205
Photo taken by Glenn Celerier on 24 August 2020
482206
Photo taken by Glenn Celerier on 24 August 2020
482207
Photo taken by Glenn Celerier on 24 August 2020
Status: Open to traffic
Location: 37.123590,-104.762900
Carries CO 12 over "Sarcillio (Zaracillo) Canyon" "Tributary of Purgatoire River"
Design: beam/tee
Design Details: Concrete Tee Beam 4 span with rock piers and decorative concrete guardrails.
Total Length: 117.1 Feet
Span Length: 0.0 Feet
Overview: Concrete tee beam bridge over "Sarcillio (Zaracillo) Canyon" "Tributary of Purgatoire River" on CO 12
History: Built 1936
Built: 1936
Location: Las Animas County
View Bridge Information In Wayback Machine
145484
1936 WPA Sarcillo (Zaracillo) Canyon Bridge Co. 12
Tee Beam with rock piers
Photo taken by John Cross in August 2009
145485
Co. 12 WPA 1936
Photo taken by John Cross in August 2009
145486
WPA nameplate
This is similar to the Sarcillo Canyon Bridge but was shot 2.7 miles west on the next similar 2 span
Photo taken by John Cross in August 2009
Status: Abandoned
Location: 37.161200,-104.943250
Carries ? Old CO 12 @ CR21.6 and CR23.2 over North Fork Purgatoire River
Design: slab
Design Details: Slab
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned bridge over North Fork Purgatoire River on ? Old CO 12 @ CR21.6 and CR23.2
History: Perhaps- this bridge was the CO 12 predesesor of the current 1936 & 38 WPA bridges. It is now on private property with an adobe house built on it.
Built:
Location: Las Animas County
View Bridge Information In Wayback Machine
145488
Adobe House on a Bridge
North Fork Purgatoire River Adjacent to CO 12
Photo taken by John Cross in August 2009
145489
All Shot From Current CO12 Bridge
Approx. 250-300' upstream from current bridge
Photo taken by John Cross in August 2009
145490
Tighter Shot of House on a Bridge
The old bridge in photo is almost due north of the current bridge. I expect it was very COLD in the winter.
Photo taken by John Cross in August 2009
Status: Open to traffic
Location: 37.160278,-104.943056
Carries Sh 12 Ml over N Fork Purgatoire River
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 64.3 Feet
Span Length: 59.7 Feet
Overview: Steel stringer bridge over N Fork Purgatoire River on Sh 12 Ml
History: Built 1938
Built: 1938
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Open to traffic
Location: 37.018847,-104.491065
Carries BNSF Railway over Old Ratan Pass Road & Raton Creek
Design: arch/deck/stone
Design Details: Stone arch
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Stone arch bridge over Old Raton Pass Road & Raton Creek on BNSF Railway
History:
Built:
Location: Las Animas County
View Bridge Information In Wayback Machine
318145
Photo taken by meltedplastic
318146
Photo taken by meltedplastic
Status: Open to traffic
Location: 37.172444,-104.504778
Carries BNSF Railway over Purgatoire River
Design: girder/pony/plate
Design Details: Pony plate girder
Total Length: 299.9 Feet
Span Length: 47.9 Feet
Overview: Pony plate girder bridge over Purgatoire River on BNSF Railway
History: Built 1940
Built: 1940
Location: Las Animas County
View Bridge Information In Wayback Machine
Status: Intact but closed to all traffic
Location: 37.132777,-104.836441
Carries Colorado & Wyoming Railway over Purgatoire River
Design: truss/through
Design Details: Through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Through truss bridge over Purgatoire River on Colorado & Wyoming Railway
History:
Built:
Location: Las Animas County
View Bridge Information In Wayback Machine
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.
