Historic Bridges in Indiana
2,682 bridges built before 1951 in Indiana still in service today.
Bridges Built Before 1951
The United States has 2,682 bridges in Indiana 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 |
|---|---|---|---|---|---|
| PLUM CREEK | Indiana | Fair | 1950 | 76 | 110 |
| PLUM CREEK | Indiana | Fair | 1950 | 76 | 300 |
| WHITE RIVER | Indiana | Fair | 1950 | 76 | 2,120 |
| BIG BLUE RIVER | Indiana | Fair | 1950 | 76 | 1,000 |
| LAWLESS DITCH | Indiana | Fair | 1950 | 76 | 100 |
| LITTLE BLUE RIVER | Indiana | Fair | 1950 | 76 | 675 |
| BARLOSKI Ditch | Indiana | Fair | 1950 | 76 | 93 |
| HESTON Creek | Indiana | Fair | 1950 | 76 | 1 |
| LEMON Ditch | Indiana | Fair | 1950 | 76 | 536 |
| LITTLE BLUE RIVER | Indiana | Fair | 1950 | 76 | 100 |
| LITTLE BLUE RIVER | Indiana | Fair | 1950 | 76 | 1,150 |
| BR N FK LITTLE PIGEON CR | Indiana | Poor | 1950 | 76 | 130 |
| TOWER DRAIN | Indiana | Fair | 1950 | 76 | 850 |
| JAIN DITCH | Indiana | Poor | 1950 | 76 | 125 |
| ROBBINS DITCH | Indiana | Fair | 1950 | 76 | 525 |
| BUSSERON CREEK | Indiana | Fair | 1950 | 76 | 220 |
| BEAR CREEK | Indiana | Fair | 1950 | 76 | 100 |
| MILL CREEK | Indiana | Fair | 1950 | 76 | 250 |
| POLYWOG CREEK | Indiana | Fair | 1950 | 76 | 100 |
| LITTLE PIGEON CREEK | Indiana | Fair | 1950 | 76 | 3,149 |
| NORTON CREEK | Indiana | Good | 1950 | 76 | 3,357 |
| BR E LITTLE SUGAR CR | Indiana | Fair | 1950 | 76 | 125 |
| OTTER CREEK | Indiana | Fair | 1950 | 76 | 786 |
| TREATY CREEK | Indiana | Fair | 1950 | 76 | 975 |
| BR ELK CREEK | Indiana | Fair | 1950 | 76 | 135 |
| Branch S Fork BLUE River | Indiana | Fair | 1950 | 76 | 2,336 |
| UNNAMED CREEK | Indiana | Fair | 1950 | 76 | 568 |
| TOWN CREEK | Indiana | Fair | 1950 | 76 | 591 |
| CRIETZ CREEK | Indiana | Fair | 1950 | 76 | 565 |
| CRIETZ CREEK | Indiana | Fair | 1950 | 76 | 1,010 |
| STITES DITCH | Indiana | Poor | 1950 | 76 | 1,042 |
| LICK CREEK | Indiana | Fair | 1950 | 76 | — |
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.