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
STINKING CREEK Illinois Poor 1909 117 25
VILLAGE CREEK Illinois Fair 1909 117 50
STREAM Illinois Fair 1909 117 2,650
SECOND CREEK Illinois Fair 1909 117 300
LITTLE MOCCASIN CK Illinois Fair 1909 117 125
DRAINAGE DITCH Illinois Poor 1909 117 25
WOLF CREEK Illinois Fair 1909 117 75
WOLF CREEK Illinois Poor 1909 117 50
SECOND CREEK Illinois Fair 1909 117 25
BROCKETT CREEK Illinois Fair 1909 117 100
MORRIS CREEK Illinois Poor 1909 117 100
SALT CREEK Illinois Fair 1909 117 250
CREEK Illinois Poor 1909 117 35
SECOND CREEK Illinois Poor 1909 117 50
DIETERICH CREEK Illinois Fair 1909 117 50
SECOND CREEK Illinois Fair 1909 117 50
DIETRICH CREEK Illinois Fair 1909 117 75
BISHOP CREEK Illinois Fair 1909 117 150
FULFER CREEK Illinois Fair 1909 117 100
BRUSH CREEK Illinois Fair 1909 117 250
LITTLE BISHOP CREEK Illinois Fair 1909 117 100
RAMSEY CREEK Illinois Fair 1909 117 35
LITTLE SALT CREEK Illinois Poor 1909 117 50
LITTLE MUDDY CREEK Illinois Good 1909 117 35
DIETERICH CREEK Illinois Poor 1909 117 100
LITTLE SALT CREEK Illinois Fair 1909 117 25
LITTLE MOCCASIN CK Illinois Fair 1909 117 50
STREAM Illinois Fair 1909 117 3,950
LICK CREEK Illinois Fair 1909 117 75
PLUM CREEK Illinois Fair 1909 117 75
CREEK Illinois Fair 1909 117 50
CREEK Illinois Fair 1909 117 275
PENN CENTRAL RR Illinois Fair 1909 117 2,000
CONSOLIDATED RR Illinois Fair 1909 117 575
STREAM Illinois Good 1909 117 100
CONTRARY CREEK Illinois Poor 1909 117 75
TRIB BIG CREEK Illinois Poor 1909 117 75
TRIB OF BRONSON CR Illinois Poor 1909 117 25
CROOKED CREEK Illinois Poor 1909 117 50
BIG MUDDY CREEK Illinois Fair 1909 117 125
ISLAND CREEK Illinois Fair 1909 117 50
CROOKED CREEK Illinois Fair 1909 117 25
LAWS CREEK Illinois Fair 1909 117 100
WOLF CREEK Illinois Poor 1909 117 25
CREEK Illinois Poor 1909 117 50
RICHLAND CREEK Illinois Fair 1909 117 50
LAWS CREEK Illinois Fair 1909 117 200
FOX RIVER Illinois Poor 1909 117 75
SAMS BRANCH Illinois Poor 1909 117 25
FR EAST CROOKED CK Illinois Fair 1909 117 50

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.