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Historic Bridges in Alaska

37 bridges built before 1951 in Alaska still in service today.

Bridges Built Before 1951

The United States has 37 bridges in Alaska built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.

Clear
Bridge State Condition Year Built Age (Years) ADT
MILLION DOLLAR BRIDGE Alaska Poor 1910 116 65
KUSKULANA RIVER Alaska Fair 1910 116 70
GOLD CREEK NINTH ST Alaska Fair 1934 92 953
GOLD CREEK Alaska Fair 1934 92 6,139
CALHOUN VIADUCT Alaska Fair 1934 92 2,816
LAWSON CREEK Alaska Fair 1935 91 6,160
HENEY CREEK Alaska Poor 1936 90 440
BASIN ROAD TRESTLE Alaska Good 1936 90 280
YANKEE CREEK Alaska Fair 1937 89 45
CALIFORNIA CREEK Alaska Poor 1937 89 45
GANES CREEK Alaska Fair 1937 89 45
CASCADE CREEK Alaska Fair 1937 89 4,790
GROUSE CREEK NO. 2 Alaska Fair 1937 89 2,180
PETERS CREEK Alaska Fair 1938 88 10
PETERS CREEK Alaska Fair 1938 88 100
GOLD CREEK Alaska Fair 1938 88 280
FORKS CREEK Alaska Fair 1938 88 820
MAIN STREET PELICAN Alaska Poor 1939 87 10
FRONT STREET TRESTLE Alaska Fair 1940 86 60
TAKOTNA RIVER Alaska Poor 1941 85 45
KOUGAROK RIVER Alaska Poor 1941 85 50
CHISANA RIVER Alaska Fair 1944 82 210
ROBERTSON RIVER Alaska Fair 1944 82 230
JOHNSON RIVER Alaska Poor 1944 82 180
GERSTLE RIVER Alaska Poor 1944 82 180
KETCHIKAN CREEK Alaska Fair 1944 82 6,850
RASMUS ENGE BRIDGE Alaska Fair 1945 81 100
WILLOW CREEK Alaska Poor 1945 81 10
OTTER CREEK Alaska Poor 1947 79 10
TATALINA RIVER Alaska Fair 1947 79 45
TAIYA RIVER Alaska Fair 1948 78 238
FISH CREEK Alaska Fair 1950 76 740
BIRD CREEK Alaska Fair 1950 76 6,860
CROW CREEK Alaska Fair 1950 76 410
GOLD CREEK CALHOUN Alaska Fair 1950 76 2,290
BAUER-HOPKINS TRESTLE Alaska Fair 1950 76 400
AUKE CREEK CULVERTS Alaska Fair 1950 76 8,860

About Historic Bridge Data

Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.

All Bridges Poor Condition Scour Critical Bridge Stats