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Historic Bridges in Nevada

89 bridges built before 1951 in Nevada still in service today.

Bridges Built Before 1951

The United States has 89 bridges in Nevada 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
TRUCKEE RVR Nevada Good 1939 87 1,850
HUMBOLDT RVR Nevada Good 1939 87 400
SPRR Nevada Fair 1939 87 122
MARYS RVR Nevada Fair 1940 86 100
HUMBOLDT RVR Nevada Fair 1940 86 100
DRAINAGE CANAL Nevada Fair 1941 85 570
ELDORADO CANYON Nevada Fair 1941 85 103
LETTS WASH Nevada Fair 1942 84 370
MUDDY RVR Nevada Fair 1944 82 5,300
SR171 AIRPORT CONNECT Nevada Fair 1944 82 16,500
CALIFORNIA WASH Nevada Fair 1945 81 13,500
DRY WASH Nevada Fair 1945 81 13,500
GOLD CANYON CRK Nevada Poor 1945 81 128
SARONI CANAL Nevada Fair 1946 80 510
SARONI CANAL Nevada Good 1946 80 480
GARDEN PASS CRK Nevada Fair 1946 80 770
LAMOILLE CRK Nevada Fair 1946 80 830
HUMBOLDT RVR OFLOW Nevada Fair 1946 80 100
MID CHNL CARSON RVR Nevada Good 1947 79 1,750
E CHNL CARSON RVR Nevada Good 1947 79 1,750
CARSON RVR Nevada Fair 1947 79 1,750
DALZELL CANYON Nevada Fair 1947 79 400
DALZELL CANYON Nevada Good 1947 79 400
DALZELL CANYON Nevada Good 1947 79 400
CARSON RIVER OVERFLOW Nevada Fair 1948 78 32,000
DRY WASH Nevada Good 1948 78 25,400
DRY WASH Nevada Good 1948 78 25,400
DRY WASH Nevada Good 1948 78 25,400
Flamingo Wash Nevada Fair 1948 78 60,000
MEADOW VALLEY WASH Nevada Good 1948 78 1,800
REESE RVR Nevada Good 1948 78 60
TRUCKEE-CARSON CANAL Nevada Fair 1948 78 11
POWER CANAL Nevada Good 1949 77 2,100
L-LINE CANAL Nevada Good 1949 77 5,150
QUINN RVR Nevada Good 1949 77 310
E FORK OWYHEE RVR Nevada Fair 1949 77 400
RAMSEY WASH Nevada Fair 1950 76 2,900
E FORK OWYHEE RVR Nevada Fair 1950 76 400
REESE RVR Nevada Fair 1950 76 430

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