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
FARM CREEK Illinois Fair 1930 96 24,800
LITTLE LICK CREEK Illinois Fair 1930 96 5,450
STREAM Illinois Fair 1930 96 350
DAVIDS CR Illinois Poor 1930 96 1,150
NORTH CREEK Illinois Poor 1930 96 25
LITTLE DRY FORK Illinois Poor 1930 96 10
DRAINAGE DITCH Illinois Poor 1930 96 75
JORDAN CREEK Illinois Fair 1930 96 225
HICKORY CREEK Illinois Poor 1930 96 250
SPRING CREEK Illinois Fair 1930 96 16,300
KENT CREEK Illinois Poor 1930 96 12,400
TRIB WALNUT CR Illinois Fair 1930 96 10
MCKEE CREEK Illinois Fair 1931 95 675
Trib to Shoal Creek Illinois Fair 1931 95 2,050
MISSOURI CREEK Illinois Fair 1931 95 500
N FORK SHELBY CREEK Illinois Fair 1931 95 750
WALNUT CREEK Illinois Fair 1931 95 625
POND CREEK Illinois Fair 1931 95 1,000
STREAM Illinois Poor 1931 95 1,000
OTTER CREEK Illinois Fair 1931 95 50
JOBS CREEK Illinois Fair 1931 95 1,500
STREAM Illinois Fair 1931 95 3,450
LK KINCAID SPILLWAY Illinois Fair 1931 95 3,600
LITTLE CAL RIVER Illinois Poor 1931 95 13,700
RR - IHB Illinois Fair 1931 95 28,200
SAN & SHIP CANAL Illinois Poor 1931 95 35,500
RR - CN Illinois Fair 1931 95 39,000
IL 64 (NORTH AVE) Illinois Fair 1931 95 38,900
LITTLE CAL RIVER Illinois Fair 1931 95 21,100
CAL SAG CHANNEL Illinois Poor 1931 95 25,400
WHEELING DRN DTCH Illinois Fair 1931 95 10,000
IL 64 (NORTH AVE) Illinois Fair 1931 95 11,500
DES PLAINES RIVER Illinois Fair 1931 95 9,700
ADDISON CR Illinois Poor 1931 95 8,750
DES PLAINES RIVER Illinois Fair 1931 95 20,100
SALT CREEK Illinois Good 1931 95 36,500
CAL SAG CHANNEL Illinois Fair 1931 95 21,000
HIGGINS CREEK Illinois Fair 1931 95 31,500
DITCH Illinois Fair 1931 95 15,900
BR OF TINLEY CREEK Illinois Poor 1931 95 14,300
TINLEY CREEK Illinois Good 1931 95 14,500
HUTSON CREEK Illinois Good 1931 95 425
CREEK Illinois Fair 1931 95 375
BELL BRANCH Illinois Fair 1931 95 2,950
CSXT RR Illinois Fair 1931 95 3,150
S BR KISHWAUKEE RIV. Illinois Fair 1931 95 6,000
CREEK Illinois Fair 1931 95 2,000
CREEK Illinois Fair 1931 95 1,700
LONG POINT CREEK Illinois Poor 1931 95 50
KRESS CREEK Illinois Fair 1931 95 25,300

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.