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 |
|---|---|---|---|---|---|
| NOTCH BROOK | Vermont | Fair | 1928 | 98 | 250 |
| SUCKER BROOK | Vermont | Fair | 1928 | 98 | 1,000 |
| WINOOSKI RIVER | Vermont | Fair | 1928 | 98 | 31,300 |
| N BR WINOOSKI RIVER | Vermont | Fair | 1928 | 98 | 1,800 |
| PASSUMPSIC RIVER | Vermont | Fair | 1928 | 98 | 4,000 |
| WINHALL RIVER | Vermont | Fair | 1928 | 98 | 100 |
| W. BR. DEERFIELD RIVER | Vermont | Fair | 1929 | 97 | 10 |
| JOES BROOK | Vermont | Fair | 1929 | 97 | 20 |
| EAST BR. PASSUMPSIC RIV. | Vermont | Good | 1929 | 97 | 500 |
| ROUNDY BROOK | Vermont | Fair | 1929 | 97 | 250 |
| WELLS RIVER | Vermont | Fair | 1929 | 97 | 270 |
| SLEEPERS RIVER | Vermont | Fair | 1929 | 97 | 500 |
| STANNARD BROOK | Vermont | Poor | 1929 | 97 | 350 |
| MISSISQUOI RIVER | Vermont | Poor | 1929 | 97 | 700 |
| BREWSTER RIVER | Vermont | Fair | 1929 | 97 | 40 |
| HALLS BROOK | Vermont | Fair | 1929 | 97 | 100 |
| 2ND BRANCH WHITE R. | Vermont | Fair | 1929 | 97 | 50 |
| FLINT BROOK | Vermont | Fair | 1929 | 97 | 500 |
| MUD BROOK | Vermont | Fair | 1929 | 97 | 250 |
| JONES BROOK | Vermont | Fair | 1929 | 97 | 710 |
| MARSHFIELD BROOK | Vermont | Fair | 1929 | 97 | 50 |
| GREAT BROOK | Vermont | Good | 1929 | 97 | 500 |
| GREAT BROOK | Vermont | Fair | 1929 | 97 | 270 |
| GREAT BROOK | Vermont | Poor | 1929 | 97 | 362 |
| MAD RIVER | Vermont | Fair | 1929 | 97 | 2,000 |
| GREEN RIVER | Vermont | Fair | 1929 | 97 | 300 |
| 3RD BRANCH WHITE R. | Vermont | Fair | 1929 | 97 | 136 |
| BLOODY BROOK | Vermont | Fair | 1929 | 97 | 400 |
| BROAD BROOK | Vermont | Fair | 1929 | 97 | 125 |
| BLACK RIVER | Vermont | Good | 1929 | 97 | 300 |
| WHITE RIVER | Vermont | Poor | 1929 | 97 | 430 |
| METTAWEE RIVER | Vermont | Fair | 1929 | 97 | 2,700 |
| MID. BR WILLIAMS RIVER | Vermont | Good | 1929 | 97 | 3,100 |
| MID. BR WILLIAMS RIVER | Vermont | Fair | 1929 | 97 | 3,100 |
| MID. BR WILLIAMS RIVER | Vermont | Fair | 1929 | 97 | 3,100 |
| MID. BR WILLIAMS RIVER | Vermont | Fair | 1929 | 97 | 3,100 |
| MID. BR WILLIAMS RIVER | Vermont | Fair | 1929 | 97 | 3,100 |
| LYMAN BROOK | Vermont | Fair | 1929 | 97 | 3,100 |
| FREEMAN BROOK | Vermont | Fair | 1929 | 97 | 4,700 |
| WAITS RIVER | Vermont | Fair | 1929 | 97 | 1,800 |
| WELLS RIVER | Vermont | Fair | 1929 | 97 | 7,200 |
| MOOSE RIVER | Vermont | Fair | 1929 | 97 | 5,900 |
| GIHON RIVER | Vermont | Fair | 1929 | 97 | 3,800 |
| EAST BRANCH MISSISQUOI | Vermont | Poor | 1929 | 97 | 2,600 |
| EAST BRANCH | Vermont | Fair | 1929 | 97 | 2,600 |
| MISSISQUOI RIVER | Vermont | Fair | 1929 | 97 | 3,100 |
| BROWNS RIVER | Vermont | Fair | 1929 | 97 | 10,100 |
| CONNECTICUT RIVER | Vermont | Fair | 1929 | 97 | 2,807 |
| ROCK RIVER | Vermont | Fair | 1929 | 97 | 1,000 |
| US 5 OVER GREEN MT RR | Vermont | Poor | 1929 | 97 | 970 |
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.