Historic Bridges in Illinois

3,065 bridges built before 1951 in Illinois still in service today.

Bridges Built Before 1951

The United States has 3,065 bridges in Illinois 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
TRIB.S.HENDERSON CRK Illinois Fair 1900 126 350
POPE CREEK Illinois Fair 1900 126 25
TRIB TO SPOON RIVER Illinois Fair 1900 126 50
WALNUT CR Illinois Good 1900 126 25
PIG CREEK Illinois Fair 1900 126 25
Squaw Creek Illinois Poor 1900 126 1,600
VERMILION RIVER Illinois Poor 1900 126 3,250
TRIB N FORK VERMILLI Illinois Fair 1900 126 75
LOCAL DRAINAGE Illinois Fair 1900 126 1,200
KICKAPOO CK OVERFLOW Illinois Fair 1900 126 50
KICKAPOO CREEK TRIB Illinois Poor 1900 126 50
LOCAL DRAINAGE Illinois Good 1900 126 20
LAKE FORK CK TRIB. Illinois Fair 1900 126 20
LOCAL DRAINAGE Illinois Fair 1900 126 20
LOCAL DRAINAGE Illinois Fair 1900 126 50
LAHARPE CREEK Illinois Poor 1900 126 10
KEPPLE CREEK Illinois Fair 1900 126 75
TROUBLESOME CREEK Illinois Poor 1900 126 50
CEDAR CREEK Illinois Fair 1900 126 10
E.F. LAMOINE RIVER Illinois Poor 1900 126 125
CAMP CREEK Illinois Poor 1900 126 25
CARTER CREEK Illinois Fair 1900 126 75
SUGAR CREEK Illinois Poor 1900 126 25
RUSH CREEK Illinois Poor 1900 126 100
JOES CRK Illinois Fair 1900 126 20
SOLOMON CRK. Illinois Poor 1900 126 50
JOES CRK. Illinois Fair 1900 126 35
SUGAR CREEK Illinois Poor 1900 126 20
OTTER CRK. Illinois Fair 1900 126 50
CREEK Illinois Fair 1900 126 25
GOOSE CREEK Illinois Fair 1900 126 25
HORSE CRK Illinois Fair 1900 126 20
CREEK Illinois Fair 1900 126 150
MACOUPIN CRK Illinois Poor 1900 126 50
CREEK Illinois Fair 1900 126 20
CREEK Illinois Fair 1900 126 35
KENT CRK. Illinois Fair 1900 126 150
SUGAR CREEK Illinois Fair 1900 126 50
SHAW PT BR Illinois Poor 1900 126 20
LICK CRK. Illinois Fair 1900 126 20
MACOUPIN CRK. Illinois Fair 1900 126 50
HONEY CRK. Illinois Poor 1900 126 35
CAHOKIA CREEK Illinois Poor 1900 126 50
CAHOKIA CREEK Illinois Poor 1900 126 50
OTTER CRK. Illinois Fair 1900 126 125
E FK WOOD R Illinois Fair 1900 126 100
SHERRY CRK. Illinois Good 1900 126 175
SHAWS PT BR Illinois Fair 1900 126 75
MACOUPIN CR Illinois Fair 1900 126 20
CREEK Illinois Poor 1900 126 35

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.