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.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| CEDAR CREEK CHANNEL | Illinois | Fair | 1930 | 96 | 1,550 |
| CEDAR CREEK | Illinois | Good | 1930 | 96 | 1,200 |
| CEDAR CREEK | Illinois | Good | 1930 | 96 | 1,700 |
| MISSION CREEK | Illinois | Poor | 1930 | 96 | 1,850 |
| MISSION CREEK | Illinois | Good | 1930 | 96 | 1,700 |
| MISSION CREEK | Illinois | Fair | 1930 | 96 | 1,600 |
| INDIAN CREEK | Illinois | Good | 1930 | 96 | 100 |
| SPRING CREEK | Illinois | Fair | 1930 | 96 | 100 |
| SUTPHENS RUN | Illinois | Fair | 1930 | 96 | 25 |
| BR COVEL CREEK | Illinois | Good | 1930 | 96 | 100 |
| CREEK | Illinois | Fair | 1930 | 96 | 50 |
| OTTER CREEK | Illinois | Fair | 1930 | 96 | 50 |
| Trib Waupecan Creek | Illinois | Good | 1930 | 96 | 20 |
| Spring Creek | Illinois | Good | 1930 | 96 | 150 |
| SUGAR CREEK | Illinois | Poor | 1930 | 96 | 375 |
| BRANCH RACCOON CREEK | Illinois | Fair | 1930 | 96 | 150 |
| IDA CREEK | Illinois | Fair | 1930 | 96 | 25 |
| DITCH MOLE | Illinois | Fair | 1930 | 96 | 50 |
| CREEK | Illinois | Fair | 1930 | 96 | 50 |
| SPRING CR | Illinois | Fair | 1930 | 96 | 100 |
| BR TROUBLESOME | Illinois | Fair | 1930 | 96 | 50 |
| MOKELER CREEK | Illinois | Fair | 1930 | 96 | 5,350 |
| STREAM | Illinois | Fair | 1930 | 96 | 275 |
| BRANCH SALT CREEK | Illinois | Good | 1930 | 96 | 25 |
| LICK CREEK | Illinois | Good | 1930 | 96 | 1,450 |
| PIASA CR BRANCH | Illinois | Fair | 1930 | 96 | 4,200 |
| LICK CREEK | Illinois | Good | 1930 | 96 | 800 |
| HONEY CREEK | Illinois | Fair | 1930 | 96 | 20 |
| Sugar Fork | Illinois | Fair | 1930 | 96 | 2,450 |
| IC RR | Illinois | Fair | 1930 | 96 | 2,350 |
| RACCOON CR TRB NORTH | Illinois | Fair | 1930 | 96 | 4,500 |
| RACCOON CREEK SOUTH | Illinois | Fair | 1930 | 96 | 4,500 |
| W Trib Raccoon Crk | Illinois | Fair | 1930 | 96 | 8,550 |
| BR CROW CREEK | Illinois | Poor | 1930 | 96 | 25 |
| WEST FORK SHOAL CR. | Illinois | Good | 1930 | 96 | 5,350 |
| STRINGTOWN BRANCH | Illinois | Poor | 1930 | 96 | 50 |
| STILLMAN CREEK | Illinois | Fair | 1930 | 96 | 3,850 |
| BNSF RR | Illinois | Fair | 1930 | 96 | 100 |
| BNSF RR (004590M) | Illinois | Poor | 1930 | 96 | 2,750 |
| BR SPOON RIVER | Illinois | Poor | 1930 | 96 | 75 |
| THE SNY | Illinois | Fair | 1930 | 96 | 1,350 |
| MCCRANEY CREEK TRIB. | Illinois | Fair | 1930 | 96 | 50 |
| JIMTOWN BRANCH | Illinois | Fair | 1930 | 96 | 100 |
| N1 TRIB L SILVER CRK | Illinois | Fair | 1930 | 96 | 6,800 |
| SCHOENBERGER CREEK | Illinois | Good | 1930 | 96 | 4,600 |
| CREEK | Illinois | Fair | 1930 | 96 | 2,900 |
| BLACKMAN CREEK | Illinois | Fair | 1930 | 96 | 175 |
| BLACK BRANCH | Illinois | Fair | 1930 | 96 | 75 |
| SPAFFORD CREEK | Illinois | Fair | 1930 | 96 | 50 |
| FARM CREEK | Illinois | Good | 1930 | 96 | 6,200 |
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.