Historic Bridges in New York
3,831 bridges built before 1951 in New York still in service today.
Bridges Built Before 1951
The United States has 3,831 bridges in New York 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 |
|---|---|---|---|---|---|
| NYCTA SEA BEACH L | New York | Poor | 1914 | 112 | 4,128 |
| LIRR PORT WASH BR | New York | Good | 1914 | 112 | 1,807 |
| LIRR PORT WASH BR | New York | Good | 1914 | 112 | 2,733 |
| LIRR MAIN LINE | New York | Fair | 1914 | 112 | 6,707 |
| LIRR MAIN LINE | New York | Good | 1914 | 112 | 841 |
| LIRR MAIN LINE | New York | Good | 1914 | 112 | 9,047 |
| MILL CREEK | New York | Poor | 1914 | 112 | 60 |
| COBLESKILL CREEK | New York | Good | 1914 | 112 | 378 |
| BRONX RIVER | New York | Fair | 1914 | 112 | 9,505 |
| ERIE CANAL - LOCK 9 MOH | New York | Poor | 1914 | 112 | 2,741 |
| CHAMPLAIN CANAL | New York | Fair | 1914 | 112 | 134 |
| ERIE CANAL | New York | Poor | 1914 | 112 | 275 |
| CAYUGA & SENECA CANAL P | New York | Poor | 1914 | 112 | 503 |
| ERIE CANAL | New York | Fair | 1914 | 112 | 1,013 |
| ERIE CANAL | New York | Fair | 1914 | 112 | 3,252 |
| GANARGUA CREEK | New York | Fair | 1914 | 112 | — |
| ERIE CANAL | New York | Poor | 1914 | 112 | 2,836 |
| Erie Canal Trailway ERI | New York | Good | 1914 | 112 | 10,027 |
| ERIE CANAL | New York | Fair | 1914 | 112 | 14,247 |
| ERIE CANAL | New York | Fair | 1914 | 112 | 988 |
| Erie Canalway Trail Eri | New York | Good | 1914 | 112 | 839 |
| Canalway Trail Erie Can | New York | Fair | 1914 | 112 | 331 |
| ERIE CANAL | New York | Poor | 1914 | 112 | 4,319 |
| ERIE CANAL | New York | Fair | 1914 | 112 | 5,298 |
| SILVER CREEK | New York | Fair | 1915 | 111 | 5,683 |
| PLATTEKILL CREEK | New York | Poor | 1915 | 111 | 4,358 |
| RACEWAY | New York | Good | 1915 | 111 | 5,687 |
| MILL BROOK | New York | Fair | 1915 | 111 | 734 |
| LG IS/ NY & ATLAN | New York | Fair | 1915 | 111 | 15,766 |
| STEUBEN CREEK | New York | Fair | 1915 | 111 | 628 |
| MUD CREEK | New York | Fair | 1915 | 111 | 143 |
| ELMORE TAIL RACE | New York | Fair | 1915 | 111 | 1,227 |
| EX-NYCRR PUTNAM B | New York | Fair | 1915 | 111 | 1,932 |
| EX-NYCRR PUTNAM B | New York | Fair | 1915 | 111 | 1,920 |
| N Y & ATLANTIC/LI NYCTA | New York | Good | 1915 | 111 | 8,554 |
| L.I.-NY& ATLANTIC | New York | Fair | 1915 | 111 | — |
| BLACK CREEK | New York | Fair | 1915 | 111 | 148 |
| PALMER AVENUE PALMER AV | New York | Fair | 1915 | 111 | — |
| PALMER AVENUE PALMER AV | New York | Fair | 1915 | 111 | 6,458 |
| POWAMPPOKONK CRK | New York | Poor | 1915 | 111 | 210 |
| HOLLOW TREE BROOK | New York | Fair | 1915 | 111 | 18 |
| FALL CREEK | New York | Fair | 1915 | 111 | 239 |
| FALL CREEK | New York | Poor | 1915 | 111 | 114 |
| ELBOW CREEK | New York | Fair | 1915 | 111 | 242 |
| ROBBS CREEK | New York | Fair | 1915 | 111 | 14 |
| TAUGHANNOCK CREEK | New York | Poor | 1915 | 111 | 580 |
| OATKA CREEK | New York | Good | 1915 | 111 | 601 |
| WALLKILL RIVER | New York | Poor | 1915 | 111 | 3,916 |
| COUNTY ROAD 68 | New York | Fair | 1915 | 111 | — |
| CHAUMONT RIVER | New York | Fair | 1915 | 111 | 1,228 |
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.