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 |
|---|---|---|---|---|---|
| FARR CR | Illinois | Fair | 1950 | 76 | 1,900 |
| LITTLE VERMILION | Illinois | Fair | 1950 | 76 | 1,100 |
| BR COVEL CREEK | Illinois | Fair | 1950 | 76 | 25 |
| COVEL CR | Illinois | Fair | 1950 | 76 | 50 |
| DRY RUN | Illinois | Poor | 1950 | 76 | 50 |
| TRIB OF GREEN RIVER | Illinois | Poor | 1950 | 76 | 200 |
| PIKE CREEK | Illinois | Fair | 1950 | 76 | 400 |
| SCATTERING POINT | Illinois | Poor | 1950 | 76 | 25 |
| SCATTERING POINT CR | Illinois | Fair | 1950 | 76 | 50 |
| TRIB SCAT POINT CR | Illinois | Fair | 1950 | 76 | 50 |
| FIVE MILE CREEK | Illinois | Poor | 1950 | 76 | 10 |
| TURTLE CREEK | Illinois | Fair | 1950 | 76 | 150 |
| DRAINAGE DITCH | Illinois | Fair | 1950 | 76 | 25 |
| CREEK | Illinois | Fair | 1950 | 76 | 50 |
| DRAINAGE DITCH | Illinois | Fair | 1950 | 76 | 50 |
| DRAINAGE DITCH | Illinois | Fair | 1950 | 76 | 25 |
| GOUSEBERRY CREEK | Illinois | Poor | 1950 | 76 | 100 |
| TRIB TO VERMILION R | Illinois | Good | 1950 | 76 | 25 |
| CREEK | Illinois | Fair | 1950 | 76 | 10 |
| DEFIANCE LAKE CREEK | Illinois | Fair | 1950 | 76 | 16,100 |
| MOKELER CREEK | Illinois | Poor | 1950 | 76 | 1,550 |
| NIPPERSINK CR | Illinois | Good | 1950 | 76 | 4,200 |
| Sleepy Hollow Creek | Illinois | Fair | 1950 | 76 | 1,300 |
| SUGAR CREEK | Illinois | Fair | 1950 | 76 | 225 |
| SHERRY CK | Illinois | Fair | 1950 | 76 | 1,800 |
| E FK SHERRY CK | Illinois | Fair | 1950 | 76 | 1,800 |
| CRANE CREEK | Illinois | Fair | 1950 | 76 | 50 |
| CREEK | Illinois | Good | 1950 | 76 | 100 |
| ANDYS RUN | Illinois | Fair | 1950 | 76 | 350 |
| HORSE CREEK | Illinois | Fair | 1950 | 76 | 29,350 |
| BR. STILLMAN CR. | Illinois | Good | 1950 | 76 | 50 |
| BR.KILLBUCK CR. | Illinois | Good | 1950 | 76 | 75 |
| STREAM | Illinois | Fair | 1950 | 76 | 200 |
| DRY RUN CR | Illinois | Fair | 1950 | 76 | 125 |
| SANGAMON RIVER | Illinois | Good | 1950 | 76 | 5,150 |
| STREAM | Illinois | Fair | 1950 | 76 | 25 |
| BROWN CREEK | Illinois | Fair | 1950 | 76 | 25 |
| E PRONG SPRING CREEK | Illinois | Fair | 1950 | 76 | 50 |
| S PRONG SPRING CREEK | Illinois | Fair | 1950 | 76 | 25 |
| CREEK | Illinois | Fair | 1950 | 76 | 225 |
| COPPERAS CREEK | Illinois | Fair | 1950 | 76 | 1,750 |
| Miss.River TRRA Front 8t | Illinois | Fair | 1950 | 76 | 7,650 |
| RICHLAND CREEK | Illinois | Fair | 1950 | 76 | 3,550 |
| BLACKLAND DITCH | Illinois | Fair | 1950 | 76 | 350 |
| SANGAMON RIVER | Illinois | Poor | 1950 | 76 | 175 |
| LAKE FORK BRANCH | Illinois | Fair | 1950 | 76 | 900 |
| FLAT BRANCH | Illinois | Fair | 1950 | 76 | 850 |
| LONG GROVE CREEK | Illinois | Fair | 1950 | 76 | 100 |
| PECATONICA RIVER | Illinois | Good | 1950 | 76 | 1,150 |
| COON CREEK | Illinois | Fair | 1950 | 76 | 75 |
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.