Status: Replaced by a new bridge
Location: 43.828056,-113.412222
Carries 3800 over Big Lost River
Design: truss/through
Design Details: Through truss
Total Length: 62.0 Feet
Span Length: 60.0 Feet
Overview: Lost through truss bridge over Big Lost River on 3800
History: Built 1920; replaced 2007
Built: 1920
Location: Custer County
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Status: Replaced by a new bridge
Location: 43.813056,-113.392778
Carries 3700 over Big Lost River
Design: truss/through
Design Details: Through truss
Total Length: 63.0 Feet
Span Length: 62.0 Feet
Overview: Lost through truss bridge over Big Lost River on 3700
History: Built 1915; replaced 2010
Built: 1915
Location: Custer County
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Status: Open to traffic
Location: 44.059167,-113.878056
Carries Old Chilly Road (Old Chilly Rd) over Big Lost River
Design: truss/through
Design Details: Through truss
Total Length: 64.0 Feet
Span Length: 60.0 Feet
Overview: Through truss bridge over Big Lost River on Old Chilly Road (Old Chilly Rd)
History: Built 1918
Built: 1918
Location: Custer County
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Status: Open to traffic
Location: 43.996111,-113.770833
Carries STC 6869 over Big Lost River
Design: truss/through
Design Details: Through truss
Total Length: 74.2 Feet
Span Length: 69.9 Feet
Overview: Through truss bridge over Big Lost River on STC 6869
History: Built 1918
Built: 1918
Location: Custer County
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Status: Open to traffic
Location: 44.255833,-114.379444
Carries Mule Shoe Mine Road over Salmon River
Design: truss/through/parker
Design Details: Parker through truss
Total Length: 149.9 Feet
Span Length: 149.0 Feet
Overview: Through truss bridge over Salmon River on Mule Shoe Mine Road
History: Built 1930
Built: 1930
Location: Custer County
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Status: Open to traffic
Location: 44.378056,-114.256111
Carries Bayhorse Road over Salmon River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 122.1 Feet
Span Length: 120.1 Feet
Overview: Pratt through truss bridge over Salmon River on Bayhorse Road
History: Built 1930
Built: 1930
Location: Custer County
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Status: Intact but closed to all traffic
Location: 44.677112,-114.074407
Carries Ellis Branch Road over Salmon River
Design: truss/through
Design Details: Through truss
Total Length: 162.1 Feet
Span Length: 160.1 Feet
Overview: Through truss bridge over Salmon River on Ellis Branch Road
History: Built 1930
Built: 1930
Location: Custer County
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Status: Replaced by a new bridge
Location: 44.259664,-114.699589
Carries Robinson Bar Road over Salmon River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 95.8 Feet
Span Length: 95.8 Feet
Overview: Bailey pony truss bridge over Salmon River on Robinson Bar Road
History: Built 1909; Relocated here ca. 1940; Replaced by a Acrow Bailey-pattern pony truss ca.2008-9
Built: 1940
Location: Custer County
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498271
Photo taken by the US Forest Service; Provided by Mark Holmes
Status: Open to traffic
Location: 44.249549,-114.452466
Carries Mining Road over Salmon River
Design: truss/pony/bailey
Design Details: Bailey pony truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Bailey pony truss bridge over Salmon River on Mining Road
History:
Built:
Location: Custer County
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Status: Open to traffic
Location: 44.270278,-114.734167
Carries Sh 75 over Yankee Fork of Salmon Rivr
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 200.1 Feet
Span Length: 44.9 Feet
Overview: Concrete tee beam bridge over Yankee Fork of Salmon Rivr on Sh 75
History: Built 1934
Built: 1934
Location: Custer County
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Status:
Location: 44.593944,-114.189860
Carries Private lane over Salmon River
Design: truss/through/parker
Design Details: Parker through truss (?)
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Through truss bridge over Salmon River on Private lane
History:
Built:
Location: Custer County
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Status: Open to traffic
Location: 44.407500,-114.251389
Carries ID 75 over Salmon River
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 319.9 Feet
Span Length: 100.1 Feet
Overview: Concrete tee beam bridge over Salmon River on ID 75
History: Built 1954
Built: 1954
Location: Custer County
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Status:
Location: 44.317690,-114.290260
Carries Private lane over Salmon 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 Salmon River on Private lane
History:
Built:
Location: Custer County
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Status: Open to traffic
Location: 44.692222,-114.048611
Carries US 93 over Pahsimeroi River
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 112.9 Feet
Span Length: 55.1 Feet
Overview: Concrete tee beam bridge over Pahsimeroi River on US 93
History: Built 1938
Built: 1938
Location: Custer County
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Status: Open to traffic
Location: 44.156793,-114.300461
Carries Herd Creek Road over East Fork Salmon River
Design: beam/stringer/steel
Design Details: Steel stringer with timber deck
Total Length: 100.7 Feet
Span Length: 60.0 Feet
Overview: Steel stringer bridge over East Fork Salmon River on Herd Creek Road
History: Built 1964
Built: 1964
Location: Custer County
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Status: Open to traffic
Location: 44.101306,-113.879083
Carries Old Chilli Road over Thousand Springs Creek
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 25.9 Feet
Span Length: 24.9 Feet
Overview: Concrete tee beam bridge over Thousand Springs Creek on Old Chilli Road
History: Built 1926
Built: 1926
Location: Custer County
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Status: Open to traffic
Location: 43.911389,-113.618889
Carries Capitol Avenue over Swauger Slough
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 23.0 Feet
Span Length: 21.0 Feet
Overview: Steel stringer bridge over Swauger Slough on Capitol Avenue
History: Built 1940; rehabilitated 1999
Built: 1940
Location: Custer County
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Status: Open to authorized vehicles only
Location: 43.943057,-113.656511
Carries Private Road over Big Lost 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 Big Lost River on Private Road
History: Built 1909; Relocated here 2016
Built: 2016
Location: Custer County
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498272
Photo taken by Mark Holmes in August 2016
498273
Photo taken by Mark Holmes in August 2016
498274
Photo taken by Mark Holmes in August 2016
498275
Photo taken by Mark Holmes in August 2016
Status: Open to traffic
Location: 44.259648,-114.699638
Carries Robinson Bar Road over Salmon River
Design: truss/pony/bailey
Design Details: Bailey pony truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Bailey pony truss bridge over Salmon River on Robinson Bar Road
History: Built 2009; Relocated from Missoula, Montana
Built: 2009
Location: Custer 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.
