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 1932 94 450
LITTLE MENOMINEE RIV Illinois Fair 1932 94 550
FOX RIVER TAILRACE Illinois Good 1932 94 11,900
SEAVEY DRAIN DITCH Illinois Fair 1932 94 15,100
BUCK CREEK Illinois Fair 1932 94 375
ILL RV BACK WATER Illinois Poor 1932 94 75
LONG POINT CR Illinois Good 1932 94 25
LONG POINT CR Illinois Fair 1932 94 25
WILLOW CREEK Illinois Fair 1932 94 1,450
FIVE MILE BRANCH Illinois Fair 1932 94 150
DRAINAGE DITCH Illinois Fair 1932 94 75
NIPPERSINK CREEK Illinois Fair 1932 94 9,650
N BR NIPPERSINK CR Illinois Good 1932 94 5,100
TURKEY CREEK Illinois Fair 1932 94 600
COTTONWOOD CREEK Illinois Fair 1932 94 1,600
COOP CR BRANCH Illinois Fair 1932 94 2,200
W FK COOP BRANCH Illinois Fair 1932 94 1,800
SUGAR CREEK Illinois Fair 1932 94 2,700
SUGAR CREEK Illinois Fair 1932 94 650
WOOD RIVER Illinois Poor 1932 94 1,900
SUGAR CREEK Illinois Poor 1932 94 650
SOUTH BR CROW CREEK Illinois Poor 1932 94 650
MASSAC CREEK Illinois Fair 1932 94 2,050
BARNES CREEK Illinois Fair 1932 94 2,550
3 MI BRANCH Illinois Fair 1932 94 75
BR SHOP CREEK Illinois Fair 1932 94 125
GOOSE CREEK Illinois Good 1932 94 1,950
HILLS BRANCH Illinois Fair 1932 94 1,750
DRAINAGE DITCH Illinois Poor 1932 94 2,100
ROCK CREEK Illinois Fair 1932 94 3,450
MILL CREEK Illinois Fair 1932 94 12,400
GOOSE LAKE CANAL Illinois Poor 1932 94 6,000
OVERFLOW SILVER CR Illinois Fair 1932 94 4,950
SILVER CREEK Illinois Fair 1932 94 4,950
ASH CREEK Illinois Good 1932 94 5,900
MIDDLE FORK DITCH Illinois Fair 1932 94 2,900
BANKSTON CREEK Illinois Fair 1932 94 3,100
BANKSTON CREEK Illinois Fair 1932 94 3,100
CRANE CREEK Illinois Fair 1932 94 1,350
SILVER CREEK Illinois Good 1932 94 75
ILLINOIS RIV BNSF T&P Illinois Poor 1932 94 12,400
MACKINAW RIVER Illinois Poor 1932 94 75
DRAINAGE DITCH Illinois Fair 1932 94 100
RUNNING LAKE DITCH Illinois Fair 1932 94 1,100
TRIB.OF CACHE CREEK Illinois Fair 1932 94 2,500
STREAM Illinois Fair 1932 94 250
KNIGHTS BRANCH Illinois Fair 1932 94 450
STREAM Illinois Fair 1932 94 450
STREAM Illinois Fair 1932 94 1,000
MUD CREEK Illinois Good 1932 94 1,250

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.