Status: Replaced by a new bridge
Location: 42.623139,-112.117887
Carries US 30 over Union Pacific Railroad and Portneuf River
Design: truss/through/polygonal
Design Details: Riveted polygonal Warren through truss with supplemental end posts holding an altered portal bracing.
Total Length: 379.0 Feet
Span Length: 180.1 Feet
Overview: Through truss bridge over UPRR and canal on US 30
History: Built 1949; rehabilitated 1984
Built: 1949
Location: Bannock County
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245820
US-30 Portneuf River Bridge
US-30 Portneuf River Bridge as seen from the Old Oregon Trail Road on June 29, 2009, at this time they are just starting to build the first half of the new bridge that will replace this one.
Photo taken by Jolly Goodfellow in June 29, 2009
245821
US-30 Portneuf River Bridge
US-30 Portneuf River Bridge as seen from the Old Oregon Trail Road on June 29, 2009, at this time they are just starting to build the first half of the new bridge that will replace this one.
Photo taken by Jolly Goodfellow in June 29, 2009
245822
US-30 Portneuf River Bridge
US-30 Portneuf River Bridge as seen from the Old Oregon Trail Road on June 29, 2009, at this time they are just starting to build the first half of the new bridge that will replace this one.
Photo taken by Jolly Goodfellow in June 29, 2009
245823
US-30 Portneuf River Bridge
US-30 Portneuf River Bridge as seen from the Old Oregon Trail Road on June 29, 2009, at this time they are just starting to build the first half of the new bridge that will replace this one.
Photo taken by Jolly Goodfellow in June 29, 2009
245824
US-30 Portneuf River Bridge
US-30 Portneuf River Bridge as seen from the Old Oregon Trail Road on June 29, 2009, at this time they are just starting to build the first half of the new bridge that will replace this one.
Photo taken by Jolly Goodfellow in June 2009
245825
US-30 Portneuf River Bridge
US-30 Portneuf River Bridge as seen from the Old Oregon Trail Road on June 29, 2009, at this time they are just starting to build the first half of the new bridge that will replace this one.
Photo taken by Jolly Goodfellow in June 29, 2009
Status: Replaced by new bridge
Location: 42.660683,-112.195733
Carries US 30 over Portneuf River and Union Pacific Railroad
Design: girder/deck/concrete
Design Details: Concrete deck girder
Total Length: 584.0 Feet
Span Length: 72.0 Feet
Overview: Lost Concrete deck girder bridge over Portneuf River and Union Pacific Railroad on US 30
History: Built 1936, Replaced Ca. 1990.
Built: 1936
Location: Bannock County
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196396
View Of Mccammon Bridge At Ground Level, Facing East
Photo taken by Historic American Engineering Record
196397
View Of Mccammon Bridge At Ground Level, Facing Southeast
Photo taken by Historic American Engineering Record
196398
View Of Mccammon Bridge At Ground Level, Facing Northeast
Photo taken by Historic American Engineering Record
196399
View Of Mccammon Bridge From U.S. 30, Facing Southwest
Photo taken by Historic American Engineering Record
196400
View Of Mccammon Bridge From U.S. 30, Showing Relation Of Portneuf River To Bridge, Facing Southwest
Photo taken by Historic American Engineering Record
196401
View Of Railroad In Relation To Mccammon Bridge, Facing Northwest
Photo taken by Historic American Engineering Record
196402
View Of Approach To Mccammon Bridge From U.S. 30, Facing South
Photo taken by Historic American Engineering Record
196403
View Of Approach To Mccammon Bridge From Mccammon, Looking North
Photo taken by Historic American Engineering Record
196404
View Of Railing Brackets And Piers From Ground Level, Looking Northeast
Photo taken by Historic American Engineering Record
196405
View Of Railing Brackets And Piers From Ground Level, Looking Northwest
Photo taken by Historic American Engineering Record
196406
View Showing Pier Detail And Pier In Relation To Portneuf River
Photo taken by Historic American Engineering Record
196407
View Looking Underneath Bridge, Facing North
Photo taken by Historic American Engineering Record
196408
Detail View Of Connect Of Piers And Underneath, Facing North
Photo taken by Historic American Engineering Record
Status: Closed to all traffic
Location: 42.857642,-112.451463
Carries Whitman S over Portneuf R;Whitman St Branch
Design: truss/pony/warren
Design Details: Warren pony truss
Total Length: 62.0 Feet
Span Length: 60.0 Feet
Overview: Warren pony truss bridge over Portneuf R;Whitman St Branch on Whitman S
History: Built 1924
Built: 1924
Location: Bannock County
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419287
Abandoned Sad Pocatello Bridge
Sad old abandoned bridge in the middle of town.
Photo taken by John Bernhisel in July 2016
Status: Intact but closed to all traffic
Location: 42.662093,-112.196195
Carries East Merrill Road over Portneuf R;Nw.Mccammon B
Design: truss/pony
Design Details: Pony truss
Total Length: 63.0 Feet
Span Length: 60.0 Feet
Overview: Pony truss bridge over Portneuf R;Nw.Mccammon B on East Merrill Road
History: Built 1925
Built: 1925
Location: Bannock County
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Status: Intact but closed to all traffic
Location: 42.623554,-111.995794
Carries Co.Rd;Plng#058a over Portneuf R;Ne.Lava Branch
Design: truss/pony
Design Details: Pony truss
Total Length: 63.0 Feet
Span Length: 60.0 Feet
Overview: Pony truss bridge over Portneuf R;Ne.Lava Branch on Co.Rd;Plng#058a
History: Built 1945
Built: 1945
Location: Bannock County
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Status: Open to traffic
Location: 42.619963,-112.000462
Carries Bristol Park Lane over Portnuef River
Design: truss/pony/warren/verticals
Design Details: Warren pony truss with all verticals.
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Warren pony truss with all verticals bridge on Bristol Park Lane
History:
Built:
Location: Bannock County
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261852
Side View from Upstream
Photo taken by Mark Frazier in July 2013
261853
View looking west
Photo taken by Mark Frazier in August 2013
261854
View looking east
Photo taken by Mark Frazier in August 2013
261855
Downstream side
Photo taken by Mark Frazier in August 2013
261856
Downstream side
Photo taken by Mark Frazier in August 2013
Status: Derelict/abandoned
Location: 42.903076,-112.506292
Carries Old US 30 over Portneuf River
Design: truss/pony/warren/alt-verticals
Design Details: Warren pony truss with alternating verticals
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned warren pony truss with alternating verticals bridge over Portneuf River on Old US 30
History:
Built:
Location: Bannock County
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Status: Replaced by a new bridge
Location: 42.863121,-112.448743
Carries Center Street over Union Pacific RR
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Deck plate girder bridge over Union Pacific RR on Center Street
History: Built 1910
Built: 1910
Location: Bannock County
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478895
Center Street Viaduct
Photo from old postcard
Status: Open to traffic
Location: 42.863230,-112.448517
Carries Center Street over Union Pacific RR
Design: frame/concrete
Design Details: Concrete rigid frame
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Concrete rigid frame bridge over Union Pacific RR on Center Street
History: Built 1934
Built: 1934
Location: Bannock County
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478896
Center Street Railroad Underpass
Photo from Pocatello Projects
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.
