Historic Bridges in Florida
707 bridges built before 1951 in Florida still in service today.
Bridges Built Before 1951
The United States has 707 bridges in Florida 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 |
|---|---|---|---|---|---|
| Mills Creek | Florida | Fair | 1935 | 91 | 6,700 |
| Creek | Florida | Fair | 1935 | 91 | 8,600 |
| Unnamed Outfall | Florida | Fair | 1935 | 91 | 8,600 |
| Drainage Ditch | Florida | Good | 1935 | 91 | 25,250 |
| OKEECHOBEE RIM CANAL | Florida | Fair | 1935 | 91 | 1,260 |
| MARE BRANCH | Florida | Fair | 1936 | 90 | 650 |
| CSX R/R | Florida | Good | 1936 | 90 | 11,500 |
| CSX RR | Florida | Fair | 1936 | 90 | 47,000 |
| LAKE PARKER GIBSON CANAL | Florida | Good | 1936 | 90 | 12,500 |
| WAHNETA CREEK | Florida | Good | 1936 | 90 | 38,000 |
| CSXRR | Florida | Fair | 1936 | 90 | 6,000 |
| FALLING CREEK | Florida | Fair | 1936 | 90 | 9,054 |
| FECRR | Florida | Fair | 1936 | 90 | 20,300 |
| YELLOW WATER CREEK | Florida | Fair | 1936 | 90 | 16,400 |
| ORTEGA RIVER | Florida | Fair | 1936 | 90 | 16,200 |
| CEDAR CREEK | Florida | Fair | 1936 | 90 | 25,000 |
| Water Oak Brook | Florida | Good | 1936 | 90 | 4,700 |
| Canal | Florida | Fair | 1936 | 90 | 9,700 |
| Unnamed Canal | Florida | Good | 1936 | 90 | 4,700 |
| Black Swamp Canal | Florida | Fair | 1936 | 90 | 9,700 |
| NANN SWAMP | Florida | Good | 1936 | 90 | 22,000 |
| CORAL GABLES CANAL | Florida | Good | 1936 | 90 | 13,800 |
| Howard Creek | Florida | Good | 1936 | 90 | 26,250 |
| CSX RR | Florida | Good | 1937 | 89 | 33,500 |
| PLACIDO BAYOU | Florida | Fair | 1937 | 89 | 37,500 |
| WHITAKER BAYOU | Florida | Good | 1937 | 89 | 9,800 |
| Mud Lake | Florida | Good | 1937 | 89 | 6,200 |
| Big Prairie Canal | Florida | Fair | 1937 | 89 | 3,700 |
| OLD TOWN HAMMOCK | Florida | Good | 1937 | 89 | 5,900 |
| Mill Branch | Florida | Good | 1937 | 89 | 4,500 |
| Evans Creek | Florida | Fair | 1937 | 89 | 3,000 |
| Canal | Florida | Good | 1937 | 89 | 23,500 |
| Lake Rowena | Florida | Fair | 1937 | 89 | 26,500 |
| Lake Estelle | Florida | Fair | 1937 | 89 | 26,500 |
| LITTLE FISH TAIL CREEK | Florida | Fair | 1937 | 89 | 2,900 |
| FECRR | Florida | Fair | 1937 | 89 | 2,650 |
| Little Haw Creek | Florida | Poor | 1937 | 89 | 40 |
| North Canal | Florida | Fair | 1937 | 89 | 320 |
| Collins Canal | Florida | Fair | 1937 | 89 | 9,782 |
| Canal | Florida | Fair | 1937 | 89 | 34,000 |
| C-51 CANAL | Florida | Fair | 1937 | 89 | 14,400 |
| CSX RR | Florida | Good | 1938 | 88 | 20,500 |
| Apalachicola River | Florida | Fair | 1938 | 88 | 5,266 |
| Unnamed Stream | Florida | Fair | 1938 | 88 | 4,400 |
| MOORE BRANCH | Florida | Good | 1938 | 88 | 13,500 |
| WILDER CREEK | Florida | Fair | 1938 | 88 | 600 |
| LITTLE MILLS CREEK | Florida | Fair | 1938 | 88 | 4,700 |
| Pigeon Key | Florida | Good | 1938 | 88 | 101 |
| HILLSBOROUGH RIVER | Florida | Fair | 1939 | 87 | 27,250 |
| SCOTTS CANAL | Florida | Good | 1939 | 87 | 11,200 |
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.