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
FARR CR Illinois Fair 1950 76 1,900
LITTLE VERMILION Illinois Fair 1950 76 1,100
BR COVEL CREEK Illinois Fair 1950 76 25
COVEL CR Illinois Fair 1950 76 50
DRY RUN Illinois Poor 1950 76 50
TRIB OF GREEN RIVER Illinois Poor 1950 76 200
PIKE CREEK Illinois Fair 1950 76 400
SCATTERING POINT Illinois Poor 1950 76 25
SCATTERING POINT CR Illinois Fair 1950 76 50
TRIB SCAT POINT CR Illinois Fair 1950 76 50
FIVE MILE CREEK Illinois Poor 1950 76 10
TURTLE CREEK Illinois Fair 1950 76 150
DRAINAGE DITCH Illinois Fair 1950 76 25
CREEK Illinois Fair 1950 76 50
DRAINAGE DITCH Illinois Fair 1950 76 50
DRAINAGE DITCH Illinois Fair 1950 76 25
GOUSEBERRY CREEK Illinois Poor 1950 76 100
TRIB TO VERMILION R Illinois Good 1950 76 25
CREEK Illinois Fair 1950 76 10
DEFIANCE LAKE CREEK Illinois Fair 1950 76 16,100
MOKELER CREEK Illinois Poor 1950 76 1,550
NIPPERSINK CR Illinois Good 1950 76 4,200
Sleepy Hollow Creek Illinois Fair 1950 76 1,300
SUGAR CREEK Illinois Fair 1950 76 225
SHERRY CK Illinois Fair 1950 76 1,800
E FK SHERRY CK Illinois Fair 1950 76 1,800
CRANE CREEK Illinois Fair 1950 76 50
CREEK Illinois Good 1950 76 100
ANDYS RUN Illinois Fair 1950 76 350
HORSE CREEK Illinois Fair 1950 76 29,350
BR. STILLMAN CR. Illinois Good 1950 76 50
BR.KILLBUCK CR. Illinois Good 1950 76 75
STREAM Illinois Fair 1950 76 200
DRY RUN CR Illinois Fair 1950 76 125
SANGAMON RIVER Illinois Good 1950 76 5,150
STREAM Illinois Fair 1950 76 25
BROWN CREEK Illinois Fair 1950 76 25
E PRONG SPRING CREEK Illinois Fair 1950 76 50
S PRONG SPRING CREEK Illinois Fair 1950 76 25
CREEK Illinois Fair 1950 76 225
COPPERAS CREEK Illinois Fair 1950 76 1,750
Miss.River TRRA Front 8t Illinois Fair 1950 76 7,650
RICHLAND CREEK Illinois Fair 1950 76 3,550
BLACKLAND DITCH Illinois Fair 1950 76 350
SANGAMON RIVER Illinois Poor 1950 76 175
LAKE FORK BRANCH Illinois Fair 1950 76 900
FLAT BRANCH Illinois Fair 1950 76 850
LONG GROVE CREEK Illinois Fair 1950 76 100
PECATONICA RIVER Illinois Good 1950 76 1,150
COON CREEK Illinois Fair 1950 76 75

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.