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Historic Bridges in Delaware

122 bridges built before 1951 in Delaware still in service today.

Bridges Built Before 1951

The United States has 122 bridges in Delaware 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
RED CLAY CREEK & RR Delaware Fair 1940 86 20,030
RED CLAY CREEK & RR Delaware Fair 1940 86 20,030
MILL CREEK Delaware Good 1940 86 23,499
NORFOLK SOUTHERN Delaware Fair 1940 86 15,824
WHARTONS BRANCH Delaware Good 1940 86 9,578
CLEAR BROOK Delaware Good 1941 85 2,203
NORFOLK SOUTHERN Delaware Fair 1941 85 5,780
C & D CANAL Delaware Fair 1941 85 10,827
NORFOLK SOUTHERN Delaware Poor 1942 84 7,915
WHITE CLAY CREEK Delaware Fair 1947 79 15,740
JOHNSON BRANCH Delaware Fair 1947 79 3,486
PIKE CREEK Delaware Fair 1948 78 32,040
MUDDY RUN Delaware Fair 1948 78 24,026
VINES CREEK Delaware Fair 1948 78 23,620
RED CLAY CREEK Delaware Fair 1949 77 958
MILL CREEK Delaware Fair 1949 77 32,691
TRIB TO LITTLE MILL CRK Delaware Good 1949 77 21,909
CSX SILVER RUN Delaware Fair 1949 77 26,585
BLACK SWAMP CREEK Delaware Fair 1949 77 667
CEDAR CREEK Delaware Fair 1949 77 608
TRIB. TO CHRISTINA RIVER Delaware Fair 1950 76 6,632
CSX Delaware Fair 1950 76 99

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