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
CACHE RIVER Illinois Fair 1948 78 1,950
GREEN RIVER Illinois Good 1948 78 325
Branch Bureau Creek Illinois Poor 1948 78 75
Kampsville CREEK Illinois Good 1948 78 850
SCHAAD DITCH Illinois Fair 1948 78 600
PRAIRE CREEK BRANCH Illinois Fair 1948 78 750
BRANCH OF BEAVER CK Illinois Fair 1948 78 375
LOST CREEK BRANCH Illinois Poor 1948 78 175
PRAIRIE CREEK Illinois Fair 1948 78 225
IL 50 (CICERO AVE) Illinois Fair 1948 78 133,700
I- 94 EDENS Illinois Fair 1948 78 22,500
STONY CR Illinois Fair 1948 78 16,700
I- 94 US41 EDENS Illinois Poor 1948 78 6,750
I- 94 BISHOP FORD Illinois Fair 1948 78 29,200
I- 94 BISHOP FORD Illinois Poor 1948 78 13,450
MIDLOTHIAN CREEK Illinois Poor 1948 78 850
TINLEY CREEK Illinois Fair 1948 78 15,400
S BR CHICAGO RIVER Illinois Fair 1948 78 15,800
TRIMBLE RUN Illinois Fair 1948 78 525
SCATTERING FORK Illinois Fair 1948 78 2,000
FR-1187/CAMP CREEK Illinois Fair 1948 78 11,350
STREAM Illinois Fair 1948 78 22,700
RACCOON CK Illinois Fair 1948 78 475
DRAIN DITCH Illinois Fair 1948 78 1,000
DRAIN DITCH Illinois Fair 1948 78 1,000
WAUPECON CREEK Illinois Poor 1948 78 175
MUD CR. TRIBUTARY Illinois Poor 1948 78 1,500
SPRING CREEK Illinois Poor 1948 78 75
MUD CREEK Illinois Poor 1948 78 50
TRIB-PILES FORK CRK. Illinois Fair 1948 78 25,500
CACHE RIVER Illinois Fair 1948 78 550
GRANARY CR Illinois Fair 1948 78 675
AUX SABLE CREEK Illinois Fair 1948 78 11,500
FOX RIVER Illinois Fair 1948 78 6,300
FELKY SLOUGH Illinois Fair 1948 78 25
BAKER RUN Illinois Fair 1948 78 50
DRAINAGE DITCH Illinois Fair 1948 78 25
Trib. Smith Branch Illinois Fair 1948 78 -
KICKAPOO CK Illinois Fair 1948 78 400
BOONE CREEK Illinois Fair 1948 78 4,650
SUGAR CK Illinois Good 1948 78 3,550
PAINTROCK CREEK Illinois Good 1948 78 725
BARRVILLE CREEK Illinois Poor 1948 78 4,950
QUIVER DITCH Illinois Fair 1948 78 550
LITTLE CAMP CREEK Illinois Fair 1948 78 75
STREAM Illinois Fair 1948 78 1,900
BAY CREEK Illinois Fair 1948 78 1,950
BUCK BRANCH Illinois Fair 1948 78 25
BUCK BRANCH Illinois Poor 1948 78 50
BUCK BRANCH TRIBUTAR Illinois Poor 1948 78 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.