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
DRAINAGE DITCH Illinois Good 1900 126 250
DRAINAGE DITCH Illinois Good 1900 126 50
JORDAN SLOUGH Illinois Good 1900 126 25
DRAINAGE DITCH Illinois Good 1900 126 75
STREAM Illinois Good 1900 126 50
STREAM Illinois Poor 1900 126 50
SALT FORK Illinois Fair 1900 126 50
SHILOH DRAIN DITCH 3 Illinois Fair 1900 126 25
STREAM Illinois Fair 1900 126 350
LITTLE MUDDY RIVER Illinois Good 1900 126 300
LITTLE MUDDY RIVER Illinois Good 1900 126 150
THOMPSON RESERVOIR Illinois Poor 1900 126 50
BENTON LAKE Illinois Good 1900 126 550
TRIB BIG MUDDY Illinois Good 1900 126 35
MIDDLE FORK CREEK Illinois Fair 1900 126 20
BRANCH BIG MUDDY RIV Illinois Fair 1900 126 1,750
MOSES LAKE Illinois Good 1900 126 325
TRIB TO SUGAR CREEK Illinois Good 1900 126 2,150
TRIB MD FORK Illinois Good 1900 126 20
TRB AKIN CREEK Illinois Good 1900 126 50
EWING CK Illinois Fair 1900 126 20
STREAM Illinois Poor 1900 126 25
PUT CREEK Illinois Fair 1900 126 75
BN RR (063478L) Illinois Fair 1900 126 50
DRAINAGE DITCH Illinois Fair 1900 126 10
SALINE RIVER Illinois Poor 1900 126 350
ABANDONED RR Illinois Poor 1900 126 10
SPILLING CREEK Illinois Poor 1900 126 150
UNNAMED STREAM Illinois Poor 1900 126 10
Sheldon Ditch #1 Illinois Good 1900 126 75
Sheldon Ditch #1 Illinois Fair 1900 126 75
TRIB OF SPRING CR Illinois Poor 1900 126 125
DRAINAGE DITCH Illinois Poor 1900 126 10
CREEK Illinois Good 1900 126 200
INDIAN CREEK Illinois Good 1900 126 100
DITCH Illinois Fair 1900 126 6,500
CREEK Illinois Fair 1900 126 21,000
UNION PACIFIC RR Illinois Fair 1900 126 25
BIG ROCK CREEK Illinois Fair 1900 126 50
VIRGIL DD NO 1 Illinois Good 1900 126 1,450
CEDAR CR DR DIT Illinois Good 1900 126 4,450
FOREMAN CREEK Illinois Fair 1900 126 75
TRIB TO WALNUT CREEK Illinois Poor 1900 126 25
TRIB TO CALDWELL CRE Illinois Fair 1900 126 50
CALDWELL CREEK Illinois Fair 1900 126 25
LITTLERS CREEK Illinois Good 1900 126 50
FOREMAN CREEK Illinois Fair 1900 126 10
WALNUT CREEK Illinois Poor 1900 126 50
TRIB TO SPOON RIVER Illinois Fair 1900 126 50
INDIAN CREEK Illinois Fair 1900 126 10

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.