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
LAKE FORK Illinois Fair 1950 76 20
S. FORK LAKE FORK Illinois Fair 1950 76 20
S. FORK LAKE FORK Illinois Fair 1950 76 100
RACCOON CREEK Illinois Fair 1950 76 50
SUGAR CREEK Illinois Fair 1950 76 150
PANTHER CREEK Illinois Poor 1950 76 50
RR - UP ? Illinois Fair 1950 76 62,700
RR - UP ? Illinois Fair 1950 76 62,700
I- 94 EDENS Illinois Poor 1950 76 18,300
I- 94 EDENS Illinois Poor 1950 76 30,000
I- 94 EDENS Illinois Poor 1950 76 6,900
US 41 EDENS Illinois Fair 1950 76 30,000
I- 94 EDENS Illinois Poor 1950 76 22,900
I- 94 EDENS Illinois Fair 1950 76 6,350
I- 94 EDENS Illinois Poor 1950 76 6,750
I- 94 EDENS Illinois Fair 1950 76 34,900
RR - UP (NORTH) Illinois Fair 1950 76 61,950
LAKE GEORGE OVERFLOW Illinois Fair 1950 76 9,500
DITCH Illinois Fair 1950 76 6,050
LAKE SHORE DRIVE Illinois Fair 1950 76 6,500
Silver Creek Illinois Poor 1950 76 4,000
S FK RACCOON CREEK Illinois Fair 1950 76 50
EMBARRAS RIVER Illinois Poor 1950 76 1,800
Mill Road (MS- 5990) Illinois Fair 1950 76 1,800
LINCOLN ST(MS 1230) Illinois Fair 1950 76 1,800
STREAM Illinois Fair 1950 76 2,150
LONG POINT CREEK Illinois Fair 1950 76 900
AFTON LATERAL Illinois Fair 1950 76 1,800
BRANCH OF OWENS CR Illinois Fair 1950 76 25
S BR KISHWAUKEE RV Illinois Poor 1950 76 75
S BRANCH CLEAR CREEK Illinois Fair 1950 76 50
TRIB BUTTER CREEK Illinois Fair 1950 76 650
STREAM Illinois Fair 1950 76 4,550
BECKS CREEK Illinois Good 1950 76 525
HOG CREEK Illinois Fair 1950 76 75
LITTLE MOCCASIN CR Illinois Fair 1950 76 50
CREEK Illinois Good 1950 76 400
SAND CREEK Illinois Fair 1950 76 350
CREEK Illinois Fair 1950 76 350
NETTLE CR Illinois Fair 1950 76 325
BRANCH OF SPRING CR. Illinois Fair 1950 76 100
BRANCH OF SPRING CR. Illinois Poor 1950 76 50
EDWARDS R. TRIB. Illinois Fair 1950 76 350
MUDDY PLUM RIVER Illinois Poor 1950 76 125
MUDDY PLUM RIVER Illinois Fair 1950 76 125
TRIB MUDDY PLUM Illinois Fair 1950 76 25
BR EAST PLUM RIVER Illinois Fair 1950 76 100
BR OF PLUM RIVER Illinois Fair 1950 76 50
INDIAN CREEK Illinois Fair 1950 76 650
PIKE CR Illinois Fair 1950 76 200

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.