Historic Bridges
94,376 bridges built before 1951 across the United States still in service today.
Bridges Built Before 1951
The United States has 94,376 bridges 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 |
|---|---|---|---|---|---|
| LOGAN CREEK | Nebraska | Poor | 1910 | 116 | 20 |
| SOUTH OMAHA CREEK | Nebraska | Poor | 1910 | 116 | 25 |
| PLUM CREEK | Nebraska | Poor | 1910 | 116 | 30 |
| COON CREEK | Nebraska | Poor | 1910 | 116 | 10 |
| ELKHORN RIVER | Nebraska | Fair | 1910 | 116 | 250 |
| HUMBOLDT RIVER | Nevada | Fair | 1910 | 116 | 600 |
| CSX | New Hampshire | Fair | 1910 | 116 | 657 |
| GALE RIVER | New Hampshire | Fair | 1910 | 116 | 235 |
| SUGAR RIVER | New Hampshire | Fair | 1910 | 116 | 96 |
| CONNECTICUT RIVER | New Hampshire | Fair | 1910 | 116 | 8,425 |
| TANNERY POND OUTLET | New Hampshire | Fair | 1910 | 116 | 96 |
| NEEDLE SHOP BROOK | New Hampshire | Fair | 1910 | 116 | 1 |
| GOFFLE BROOK | New Jersey | Fair | 1910 | 116 | 17,128 |
| HOHOKUS BROOK | New Jersey | Fair | 1910 | 116 | 13,206 |
| RAMAPO RIVER | New Jersey | Fair | 1910 | 116 | 5 |
| EAST BRANCH RAHWAY RIVER | New Jersey | Fair | 1910 | 116 | 7,303 |
| SECOND RIVER | New Jersey | Fair | 1910 | 116 | 8,100 |
| EAST BRANCH RAHWAY RIVER | New Jersey | Fair | 1910 | 116 | 1,374 |
| EAST BRANCH RAHWAY RIVER | New Jersey | Good | 1910 | 116 | 3,236 |
| SECOND RIVER | New Jersey | Fair | 1910 | 116 | 2,642 |
| TONEYS BROOK | New Jersey | Fair | 1910 | 116 | 3,289 |
| GREEN BROOK | New Jersey | Fair | 1910 | 116 | 647 |
| Montclair Boonton Line | New Jersey | Fair | 1910 | 116 | 7,690 |
| Montclair Boonton Line | New Jersey | Fair | 1910 | 116 | 7,710 |
| Montclair-Boonton Line | New Jersey | Fair | 1910 | 116 | 14,600 |
| CORNELISON AVENUE | New Jersey | Fair | 1910 | 116 | 25,505 |
| ABND BERGEN CO BRANCH | New Jersey | Poor | 1910 | 116 | 10,785 |
| BERGEN CO LINE (ABNDND) | New Jersey | Fair | 1910 | 116 | 13,186 |
| MUDDY RUN | New Jersey | Fair | 1910 | 116 | 864 |
| HICKORY RUN | New Jersey | Fair | 1910 | 116 | 422 |
| LEHIGH VALLEY ML (NS) | New Jersey | Fair | 1910 | 116 | 2,842 |
| RARITAN VALLEY LINE | New Jersey | Poor | 1910 | 116 | 520 |
| BACK BROOK | New Jersey | Poor | 1910 | 116 | 459 |
| LAWRENCE BROOK | New Jersey | Fair | 1910 | 116 | 2,182 |
| AMBOY SECONDARY | New Jersey | Poor | 1910 | 116 | 12,651 |
| BURNETT BROOK | New Jersey | Fair | 1910 | 116 | 3,855 |
| ROCKAWAY RIVER | New Jersey | Fair | 1910 | 116 | 6,446 |
| ROCKAWAY RIVER | New Jersey | Fair | 1910 | 116 | 5,702 |
| SOUTH BR. RARITAN RIVER | New Jersey | Fair | 1910 | 116 | 721 |
| WANAQUE RIVER | New Jersey | Fair | 1910 | 116 | 19,845 |
| WANAQUE RIVER | New Jersey | Fair | 1910 | 116 | 19,845 |
| GREEN BROOK | New Jersey | Fair | 1910 | 116 | 568 |
| WOLF LAKE INLET | New Jersey | Fair | 1910 | 116 | 1,597 |
| WALLKILL RIVER | New Jersey | Fair | 1910 | 116 | 6,513 |
| BR. PEQUEST RIVER | New Jersey | Poor | 1910 | 116 | 19,759 |
| PAULINS KILL | New Jersey | Fair | 1910 | 116 | 531 |
| PAULINS KILL | New Jersey | Fair | 1910 | 116 | 31 |
| BUCKHORN CREEK | New Jersey | Fair | 1910 | 116 | 358 |
| POHATCONG CREEK | New Jersey | Fair | 1910 | 116 | 979 |
| SCRANTON BRANCH (Former) | New Jersey | Fair | 1910 | 116 | 475 |
Historic Bridges by State
States ranked by number of bridges built before 1951 still in service.
| State | Historic Bridges | Oldest Year | Avg Age |
|---|---|---|---|
| Texas | 8,191 | 1900 | 89 yrs |
| Pennsylvania | 6,062 | 1697 | 99 yrs |
| Kansas | 5,656 | 1870 | 93 yrs |
| Oklahoma | 5,554 | 1900 | 89 yrs |
| Missouri | 4,522 | 1874 | 96 yrs |
| California | 4,414 | 1860 | 91 yrs |
| New York | 3,831 | 1800 | 96 yrs |
| Ohio | 3,386 | 1828 | 101 yrs |
| Nebraska | 3,270 | 1888 | 91 yrs |
| Illinois | 3,065 | 1863 | 99 yrs |
| Iowa | 3,036 | 1876 | 98 yrs |
| Tennessee | 2,857 | 1841 | 89 yrs |
| Alabama | 2,703 | 1800 | 90 yrs |
| Indiana | 2,682 | 1838 | 98 yrs |
| Virginia | 2,504 | 1820 | 92 yrs |
| Kentucky | 2,241 | 1835 | 89 yrs |
| Arkansas | 1,932 | 1860 | 89 yrs |
| Georgia | 1,832 | 1872 | 88 yrs |
| New Jersey | 1,814 | 1792 | 99 yrs |
| Michigan | 1,528 | 1867 | 94 yrs |
| Massachusetts | 1,481 | 1764 | 107 yrs |
| Wisconsin | 1,333 | 1887 | 92 yrs |
| South Carolina | 1,282 | 1910 | 89 yrs |
| West Virginia | 1,245 | 1817 | 96 yrs |
| North Carolina | 1,203 | 1900 | 89 yrs |
| Arizona | 1,189 | 1900 | 90 yrs |
| Washington | 1,188 | 1900 | 92 yrs |
| South Dakota | 1,118 | 1900 | 92 yrs |
| Minnesota | 1,035 | 1884 | 94 yrs |
| Vermont | 987 | 1824 | 99 yrs |
| Maryland | 968 | 1809 | 99 yrs |
| Mississippi | 908 | 1900 | 87 yrs |
| Connecticut | 860 | 1832 | 96 yrs |
| Colorado | 857 | 1887 | 89 yrs |
| Oregon | 790 | 1899 | 92 yrs |
| New Mexico | 719 | 1908 | 87 yrs |
| New Hampshire | 716 | 1832 | 97 yrs |
| Florida | 707 | 1900 | 87 yrs |
| North Dakota | 685 | 1885 | 91 yrs |
| Montana | 662 | 1881 | 90 yrs |
| Maine | 630 | 1854 | 92 yrs |
| Louisiana | 614 | 1908 | 87 yrs |
| Puerto Rico | 463 | 1842 | 95 yrs |
| Hawaii | 386 | 1900 | 95 yrs |
| Idaho | 354 | 1908 | 90 yrs |
| Utah | 217 | 1905 | 88 yrs |
| Wyoming | 191 | 1908 | 88 yrs |
| Rhode Island | 179 | 1810 | 107 yrs |
| Delaware | 122 | 1839 | 99 yrs |
| Nevada | 89 | 1900 | 89 yrs |
| District of Columbia | 81 | 1831 | 94 yrs |
| Alaska | 37 | 1910 | 86 yrs |
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.