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 |
|---|---|---|---|---|---|
| N. BR. WINOOSKI RIVER | Vermont | Fair | 1927 | 99 | 50 |
| WINOOSKI RIVER | Vermont | Fair | 1927 | 99 | 1,500 |
| LOCUST CREEK | Vermont | Good | 1927 | 99 | 100 |
| MID. BR WILLIAMS RIVER | Vermont | Fair | 1927 | 99 | 3,100 |
| WINOOSKI RIVER | Vermont | Fair | 1927 | 99 | 3,800 |
| LAKE MEMPHREMAGOG | Vermont | Fair | 1927 | 99 | 9,400 |
| MILL BROOK | Vermont | Fair | 1927 | 99 | 420 |
| 2ND BRANCH WHITE R. | Vermont | Fair | 1927 | 99 | 640 |
| BRANDON BROOK | Vermont | Fair | 1927 | 99 | 700 |
| FURNACE BROOK | Vermont | Fair | 1927 | 99 | 640 |
| DOWSVILLE BROOK | Vermont | Fair | 1927 | 99 | 3,200 |
| NESHOBE RIVER | Vermont | Fair | 1927 | 99 | 2,100 |
| MILL BROOK | Vermont | Fair | 1927 | 99 | 1,300 |
| CHANDLERS BROOK | Vermont | Fair | 1927 | 99 | 120 |
| SEYMOUR RIVER | Vermont | Fair | 1927 | 99 | 1,000 |
| WADE BROOK | Vermont | Fair | 1927 | 99 | 250 |
| POWER DAM CANAL | Vermont | Fair | 1927 | 99 | 3,100 |
| LEICESTER RIVER | Vermont | Good | 1928 | 98 | 600 |
| GREEN RIVER | Vermont | Fair | 1928 | 98 | 150 |
| PEACHAM HOLLOW BROOK | Vermont | Fair | 1928 | 98 | 100 |
| PASSUMPSIC RIVER | Vermont | Fair | 1928 | 98 | 650 |
| DISH MILL BROOK | Vermont | Fair | 1928 | 98 | 200 |
| ROUNDY BROOK | Vermont | Fair | 1928 | 98 | 100 |
| ROUNDY BROOK | Vermont | Fair | 1928 | 98 | 100 |
| HAWKINS BROOK | Vermont | Fair | 1928 | 98 | 400 |
| HAWKINS BROOK | Vermont | Poor | 1928 | 98 | 650 |
| SO. WHEELOCK BRANCH | Vermont | Fair | 1928 | 98 | 200 |
| HAWKINS BROOK | Vermont | Fair | 1928 | 98 | 100 |
| CALENDAR BROOK | Vermont | Fair | 1928 | 98 | 150 |
| MILLER RUN | Vermont | Poor | 1928 | 98 | 5 |
| BROWNS RIVER | Vermont | Good | 1928 | 98 | 200 |
| COATICOOK RIVER | Vermont | Fair | 1928 | 98 | 200 |
| MISSISQUOI RIVER | Vermont | Poor | 1928 | 98 | 590 |
| MISSISQUOI RIVER | Vermont | Poor | 1928 | 98 | 450 |
| BREWSTER RIVER | Vermont | Fair | 1928 | 98 | 200 |
| LAMOILLE RIVER | Vermont | Fair | 1928 | 98 | 1,800 |
| LAMOILLE RIVER | Vermont | Fair | 1928 | 98 | 450 |
| SCOTT BROOK | Vermont | Good | 1928 | 98 | 150 |
| THAYER BROOK | Vermont | Fair | 1928 | 98 | 100 |
| THAYER BROOK | Vermont | Fair | 1928 | 98 | 100 |
| THAYER BROOK | Vermont | Fair | 1928 | 98 | 100 |
| THAYER BROOK | Vermont | Fair | 1928 | 98 | 150 |
| BROOK | Vermont | Fair | 1928 | 98 | 250 |
| ROARING BROOK | Vermont | Fair | 1928 | 98 | 1,200 |
| BARTON RIVER | Vermont | Fair | 1928 | 98 | 200 |
| LAMOILLE RIVER | Vermont | Fair | 1928 | 98 | 220 |
| LAMOILLE RIVER | Vermont | Fair | 1928 | 98 | 200 |
| OTTER CREEK | Vermont | Good | 1928 | 98 | 55 |
| DOG RIVER | Vermont | Fair | 1928 | 98 | 277 |
| WINOOSKI RIVER | Vermont | Fair | 1928 | 98 | 666 |
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.