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
STREAM Illinois Fair 1909 117 75
FORDICE CREEK Illinois Fair 1909 117 50
CREEK Illinois Poor 1909 117 75
DRAINAGE DITCH Illinois Poor 1909 117 10
DRAINAGE DITCH Illinois Fair 1909 117 100
CREEK Illinois Poor 1909 117 25
LITTLE DRY FORK Illinois Fair 1909 117 350
CAMEL CREEK Illinois Fair 1909 117 100
ELM CREEK Illinois Fair 1909 117 100
MARTIN CREEK Illinois Poor 1909 117 100
WALTON CREEK Illinois Fair 1909 117 75
OWENS CREEK Illinois Poor 1909 117 100
POND CREEK DR DITCH Illinois Fair 1909 117 125
TRIB ELM RIV DRN DT Illinois Good 1909 117 75
BAILEY CREEK Illinois Fair 1909 117 25
DEER CREEK Illinois Poor 1909 117 400
CROOKED CREEK Illinois Poor 1909 117 20
CREEK Illinois Fair 1909 117 20
DRAINAGE DITCH Illinois Fair 1909 117 35
SEVEN MILE CREEK Illinois Fair 1909 117 20
W. BUREAU CREEK Illinois Fair 1910 116 25
FAIRFIELD DITCH Illinois Fair 1910 116 75
PIKE CREEK Illinois Poor 1910 116 25
SPOON RIVER Illinois Fair 1910 116 50
S BRANCH BROUILLETTS Illinois Poor 1910 116 50
WAUPECON CR Illinois Fair 1910 116 50
W. FORK MAZON RIVER Illinois Poor 1910 116 125
MAZON RIVER Illinois Fair 1910 116 75
BREWSTER RUN Illinois Good 1910 116 10
TRIB E FK MAZON RIV Illinois Poor 1910 116 50
STREAM Illinois Good 1910 116 25
BR. OF COAL CREEK Illinois Fair 1910 116 50
DRAINAGE DITCH Illinois Fair 1910 116 25
TRIB SUGAR CREEK Illinois Poor 1910 116 75
JEFFERSON CR Illinois Poor 1910 116 25
MUDDY PLUM RIVER Illinois Fair 1910 116 125
DAVIS CREEK Illinois Fair 1910 116 50
FOX RIVER E CHANNEL Illinois Fair 1910 116 11,200
DEER CREEK Illinois Fair 1910 116 175
DRAINAGE DITCH Illinois Fair 1910 116 75
BR W AUX SABLE CR Illinois Fair 1910 116 75
STREAM Illinois Poor 1910 116 225
KILJORDAN CR Illinois Fair 1910 116 50
MISS RIVER Illinois Fair 1910 116 14,300
MASON TAZEWELL DITCH Illinois Fair 1910 116 50
BLACK CREEK Illinois Fair 1910 116 175
BR OF E PLUM RIVER Illinois Fair 1910 116 25
MIDDLE FORK VERM RIV Illinois Poor 1910 116 10
KEITH CREEK Illinois Fair 1910 116 475
N SHORE CHANNEL Illinois Fair 1911 115 9,400

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.