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Bridges Found: 19


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Big Lost River Bridge

Status: Replaced by a new bridge

Location: 43.828056,-113.412222

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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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Big Lost River Bridge

Status: Replaced by a new bridge

Location: 43.813056,-113.392778

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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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Big Lost River Bridge

Status: Open to traffic

Location: 44.059167,-113.878056

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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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Big Lost River Bridge

Status: Open to traffic

Location: 43.996111,-113.770833

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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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Salmon River Bridge

Status: Open to traffic

Location: 44.255833,-114.379444

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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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Salmon River Bridge

Status: Open to traffic

Location: 44.378056,-114.256111

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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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Salmon River Bridge

Status: Intact but closed to all traffic

Location: 44.677112,-114.074407

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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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Robinson Bar Bridge

Status: Replaced by a new bridge

Location: 44.259664,-114.699589

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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

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Photo taken by the US Forest Service; Provided by Mark Holmes

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Thompson Creek Mining Company Bridge

Status: Open to traffic

Location: 44.249549,-114.452466

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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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Yankee Fork of Salmon Rivr Bridge

Status: Open to traffic

Location: 44.270278,-114.734167

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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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Salmon River Bridge

Status:

Location: 44.593944,-114.189860

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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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Salmon River ID 75 Bridge

Status: Open to traffic

Location: 44.407500,-114.251389

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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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Salmon River Bridge

Status:

Location: 44.317690,-114.290260

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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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Pahsimeroi River Bridge

Status: Open to traffic

Location: 44.692222,-114.048611

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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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Herd Creek Road Bridge

Status: Open to traffic

Location: 44.156793,-114.300461

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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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Thousand Springs Creek Bridge

Status: Open to traffic

Location: 44.101306,-113.879083

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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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Swauger Slough Bridge

Status: Open to traffic

Location: 43.911389,-113.618889

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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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Robinson Bar Bridge (2016 Relocation)

Status: Open to authorized vehicles only

Location: 43.943057,-113.656511

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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

Click to visit page.

Photo taken by Mark Holmes in August 2016

498273

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Photo taken by Mark Holmes in August 2016

498274

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Photo taken by Mark Holmes in August 2016

498275

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Photo taken by Mark Holmes in August 2016

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Robinson Bar ACROW Truss

Status: Open to traffic

Location: 44.259648,-114.699638

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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.

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