Historic Bridges in Vermont
987 bridges built before 1951 in Vermont still in service today.
Bridges Built Before 1951
The United States has 987 bridges in Vermont 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 |
|---|---|---|---|---|---|
| MUDDY BRANCH | Vermont | Fair | 1824 | 202 | 10 |
| MAD RIVER | Vermont | Fair | 1833 | 193 | 1,900 |
| OMPOMPANOOSUC RIVER | Vermont | Fair | 1836 | 190 | 1,250 |
| MILL RIVER | Vermont | Good | 1836 | 190 | 500 |
| OTTAUQUECHEE RIVER | Vermont | Fair | 1836 | 190 | 1,500 |
| OTTER CREEK | Vermont | Good | 1838 | 188 | 600 |
| WALLOOMSAC RIVER | Vermont | Fair | 1840 | 186 | 1,500 |
| WALLOOMSAC RIVER | Vermont | Fair | 1840 | 186 | 1,000 |
| OTTER CREEK | Vermont | Fair | 1840 | 186 | 700 |
| BLACK RIVER | Vermont | Good | 1840 | 186 | 10 |
| OTTER CREEK | Vermont | Fair | 1841 | 185 | 550 |
| GOLD BROOK | Vermont | Fair | 1844 | 182 | 200 |
| LEWIS CREEK | Vermont | Good | 1849 | 177 | 250 |
| LEWIS CREEK | Vermont | Good | 1849 | 177 | 750 |
| FURNACE BROOK | Vermont | Fair | 1849 | 177 | 450 |
| OTTER CREEK | Vermont | Fair | 1851 | 175 | 30 |
| WINOOSKI RIVER | Vermont | Good | 1851 | 175 | 150 |
| BATTEN KILL RIVER | Vermont | Fair | 1852 | 174 | 250 |
| OTTER CREEK | Vermont | Fair | 1853 | 173 | 1,400 |
| TROUT RIVER | Vermont | Good | 1863 | 163 | 450 |
| OTTER CREEK | Vermont | Fair | 1865 | 161 | 700 |
| MILL BROOK | Vermont | Fair | 1865 | 161 | 600 |
| BLACK CREEK | Vermont | Good | 1865 | 161 | 130 |
| OTTAUQUECHEE RIVER | Vermont | Fair | 1865 | 161 | 500 |
| CONNECTICUT RIVER | Vermont | Poor | 1866 | 160 | 2,655 |
| OMPOMPANOOSUC RIVER | Vermont | Good | 1867 | 159 | 530 |
| WILLIAMS RIVER | Vermont | Good | 1868 | 158 | 75 |
| GIHON RIVER | Vermont | Fair | 1870 | 156 | 50 |
| S. BR. SAXTONS RIVER | Vermont | Fair | 1870 | 156 | 15 |
| GREEN RIVER | Vermont | Fair | 1870 | 156 | 280 |
| BROOK | Vermont | Fair | 1870 | 156 | 10 |
| ROCK RIVER | Vermont | Fair | 1870 | 156 | 1,500 |
| ROARING BRANCH | Vermont | Fair | 1870 | 156 | 830 |
| COX BROOK | Vermont | Fair | 1872 | 154 | 1,200 |
| DOG RIVER | Vermont | Fair | 1872 | 154 | 1,500 |
| DOG RIVER | Vermont | Fair | 1872 | 154 | 35 |
| PINE BROOK | Vermont | Fair | 1872 | 154 | 250 |
| WEST RIVER | Vermont | Fair | 1872 | 154 | 1,200 |
| 1ST BRANCH WHITE R. | Vermont | Fair | 1874 | 152 | 100 |
| TROUT RIVER | Vermont | Fair | 1875 | 151 | 10 |
| N. BR. OF LAMOILLE RIVER | Vermont | Fair | 1877 | 149 | 100 |
| N BR LAMOILLE RIVER | Vermont | Fair | 1877 | 149 | 100 |
| 1ST BRANCH WHITE R. | Vermont | Fair | 1879 | 147 | 50 |
| MAD RIVER | Vermont | Fair | 1879 | 147 | 770 |
| COLD RIVER | Vermont | Fair | 1880 | 146 | 200 |
| SO. WHEELOCK BRANCH | Vermont | Poor | 1881 | 145 | 400 |
| LULLS BROOK | Vermont | Poor | 1881 | 145 | 100 |
| WEST HILL BROOK | Vermont | Fair | 1883 | 143 | 30 |
| SO. BR. TROUT RIVER | Vermont | Fair | 1883 | 143 | 40 |
| TROUT RIVER | Vermont | Good | 1883 | 143 | 50 |
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.