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
GRAPE CR Illinois Poor 1939 87 700
LITTLE BONPAS CREEK Illinois Fair 1939 87 100
DRAINAGE DITCH Illinois Good 1939 87 325
DAVIDS CR Illinois Fair 1939 87 175
MIDDLE HENDERSON CR Illinois Fair 1939 87 100
TURNER CREEK Illinois Fair 1939 87 950
EMMONS CREEK Illinois Fair 1939 87 725
EW RR Illinois Fair 1939 87 2,750
DRAINAGE Illinois Fair 1939 87 25
CRAB ORCHARD LAKE Illinois Fair 1939 87 25,600
CRAB ORCHARD LAKE Illinois Fair 1939 87 23,500
CREEK Illinois Fair 1940 86 375
ABANDONED RR ROW Illinois Fair 1940 86 125
UNION SPECIAL DITCH Illinois Fair 1940 86 50
BR BUREAU CREEK Illinois Fair 1940 86 125
HICKORY CREEK Illinois Fair 1940 86 75
ADAMS CREEK Illinois Fair 1940 86 150
APPLE RIVER Illinois Fair 1940 86 350
BRANCH OTTER CREEK Illinois Good 1940 86 25
STREAM Illinois Poor 1940 86 625
STREAM Illinois Fair 1940 86 1,000
OHLMAN BRANCH Illinois Fair 1940 86 150
COTTON CREEK Illinois Fair 1940 86 500
CORBETT BRANCH Illinois Poor 1940 86 100
STREAM Illinois Fair 1940 86 100
MOSQUITO CREEK OVRF Illinois Poor 1940 86 100
LAKE FORK Illinois Fair 1940 86 500
CSX RR Illinois Poor 1940 86 8,100
BIG MUDDY CREEK Illinois Good 1940 86 250
DR TO SANTA FE DITCH Illinois Good 1940 86 2,250
PRAIRIE BRANCH Illinois Poor 1940 86 300
BR OF FLAT BRANCH Illinois Good 1940 86 500
PRAIRIE BRANCH Illinois Good 1940 86 1,750
KICKAPOO CREEK Illinois Fair 1940 86 8,400
DONICA CREEK Illinois Fair 1940 86 50
BRUSH CREEK Illinois Fair 1940 86 125
WILLOW CREEK Illinois Fair 1940 86 29,700
NORTH CREEK Illinois Fair 1940 86 4,500
LONG RUN CREEK Illinois Fair 1940 86 7,850
SANITARY&SHIP CANAL Illinois Poor 1940 86 24,800
S WESTERN AVE Illinois Fair 1940 86 17,600
MONTROSE AVE Illinois Fair 1940 86 83,800
FULLERTON AVENUE Illinois Fair 1940 86 104,600
LASALLE DR Illinois Fair 1940 86 123,600
DIVERSEY HARBOR INLT Illinois Fair 1940 86 110,300
PEDESTRIAN UNDERPASS Illinois Fair 1940 86 110,300
UNION PACIFIC RR Illinois Fair 1940 86 1,850
UNION PACIFIC RR Illinois Good 1940 86 800
UNION PACIFIC RR Illinois Good 1940 86 1,050
UNION PACIFIC RR Illinois Poor 1940 86 1,800

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.