Status: Open to traffic
Location: 63.104888,-147.521552
Carries Denali Highway over Susitna River
Design: truss/deck
Design Details: Deck truss
Total Length: 1039.1 Feet
Span Length: 165.0 Feet
Overview: Deck truss bridge over Susitna River on Denali Highway in Cantwell
History: Built 1956
Built: 1956
Location: Denali Borough
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Status: Open to traffic
Location: 64.218160,-149.280836
Carries Parks Highway (AK 3) over Nenana River At Rex
Design: truss/through/k-parker
Design Details: K-Parker through Truss
Total Length: 509.9 Feet
Span Length: 405.9 Feet
Overview: Through truss bridge over Nenana River on Parks Highway (AK 3)
History: Built 1963
Built: 1963
Location: Denali Borough
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488825
Nenana River Bridge (Healy)
Photo taken by LT Hunter in March 2011
Status: Open to traffic
Location: 63.802579,-148.933096
Carries Parks Highway over Nenana River At Moody
Design: truss/deck
Design Details: Deck truss
Total Length: 891.1 Feet
Span Length: 315.0 Feet
Overview: Deck truss bridge over Nenana River At Moody on Parks Highway
History: Built 1970
Built: 1970
Location: Denali Borough
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488823
Moody Bridge
looking north
Photo taken by Zeb Polly
488836
Nenana River Bridge
looking east
Photo taken by Jarrel Jimmerson
Status: Open to traffic
Location: 63.725465,-148.912076
Carries Alaska Railroad over Riley Creek
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Deck plate girder bridge over Riley Creek on Alaska Railroad
History:
Built:
Location: Denali Borough
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370226
Published prior to 1923
399640
Looking east along Riley Creek
Photo taken by Jann Mayer in July 2017
399641
One of the towers
Photo taken by Jann Mayer in July 2017
399642
Looking east along Riley Creek
Photo taken by Jann Mayer in July 2017
399643
South abutment
Photo taken by Jann Mayer in July 2017
399644
Closeup of south abutment
Photo taken by Jann Mayer in July 2017
399730
View from Parks Road in Denali NP
Photo taken by Jann Mayer in July 2017
399731
View of south abutment from Parks Road in Denali NP
Photo taken by Jann Mayer in July 2017
Status: Open to traffic
Location: 63.775858,-148.917869
Carries Alaska Railroad over Unnamed creek
Design: truss/pony/pratt
Design Details: Pratt pony truss
Total Length: 390.0 Feet
Span Length: 130.0 Feet
Overview: Pratt pony truss bridge over Unnamed creek on Alaska Railroad
History:
Built:
Location: Denali Borough
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399706
Steel truss pier - south
Note how one of the spans is on rollers.
Photo taken by Jann Mayer in July 2017
399707
Looking west from Parks Highway, Nenana River in the foreground
Photo taken by Jann Mayer in July 2017
399708
Looking west from Parks Highway
Photo taken by Jann Mayer in July 2017
399709
Span detail
Note how some of the gussets have empty bolt holes, indicating there were additional diagonal members at one point.
Photo taken by Jann Mayer in July 2017
Status: Open to traffic
Location: 63.793072,-148.929929
Carries Alaska Railroad over Sheep Creek
Design: girder/deck/plate
Design Details: Deck plate girder with steel trestle approaches
Total Length: 190.0 Feet
Span Length: 70.0 Feet
Overview: Deck plate girder bridge over Sheep Creek on Alaska Railroad
History:
Built:
Location: Denali Borough
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399728
View from Parks Highway
The bridge was open for traffic while being worked on.
Photo taken by Jann Mayer in July 2017
399729
Bridge with cut, Nenana River
Photo taken by Jann Mayer in July 2017
399732
Late afternoon rain
Photo taken by Jann Mayer in July 2017
Status: Removed but not replaced
Location: 63.803766,-148.934412
Carries Alaska Railroad over hillside
Design: tunnel
Design Details: Tunnel
Total Length: 262.0 Feet
Span Length: 0.0 Feet
Overview: Lost Tunnel under hillside on Alaska Railroad
History: Built e1920s
Built: e1920s
Location: Denali Borough
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488824
Alaska - Moody Tunnel
HAER Photo by Brian Allen in Sept 2005
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.
