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.

Clear
Bridge State Condition Year Built Age (Years) ADT
AMES HILL BROOK Vermont Fair 1949 77 1,500
HINESBURG BROOK Vermont Fair 1949 77 570
WILLIAMS RIVER Vermont Fair 1949 77 20
LULLS BROOK Vermont Fair 1949 77 600
METTAWEE RIVER Vermont Fair 1949 77 3,700
BLACK RIVER Vermont Fair 1949 77 7,100
POULTNEY RIVER Vermont Fair 1949 77 7,413
S. BR. WILLIAMS RIVER Vermont Fair 1949 77 680
OTTER CREEK Vermont Fair 1949 77 1,200
MILL BROOK Vermont Fair 1949 77 1,100
RYDER BROOK Vermont Fair 1949 77 580
N. BRANCH WINOOSKI RIVER Vermont Fair 1949 77 490
BROOK Vermont Fair 1949 77 1,900
BOLLES BROOK Vermont Fair 1950 76 5
MUD CREEK Vermont Fair 1950 76 200
LITTLE OTTER CREEK Vermont Fair 1950 76 250
CLARK BROOK Vermont Good 1950 76 20
BROOK Vermont Fair 1950 76 200
S. FORK EAST CREEK Vermont Fair 1950 76 460
LAMOILLE RIVER Vermont Fair 1950 76 10
HALLS BROOK Vermont Good 1950 76 240
CLYDE RIVER Vermont Fair 1950 76 500
METTAWEE RIVER Vermont Fair 1950 76 50
EAST CREEK Vermont Good 1950 76 800
MARLBORO POND BROOK Vermont Fair 1950 76 220
COOK BROOK Vermont Good 1950 76 30
SMITH BROOK Vermont Poor 1950 76 150
WILLIAMS RIVER Vermont Fair 1950 76 150
KEDRON BROOK Vermont Fair 1950 76 1,200
KEDRON BROOK Vermont Fair 1950 76 500
LAMOILLE RIVER Vermont Fair 1950 76 8,400
HAYNESVILLE BROOK Vermont Fair 1950 76 3,000
S. BR. WILLIAMS RIVER Vermont Fair 1950 76 680
KEDRON BROOK Vermont Good 1950 76 2,800
OMPOMPANOOSUC RIVER Vermont Good 1950 76 260
PHERRINS RIVER Vermont Good 1950 76 1,000
EAST CREEK Vermont Fair 1950 76 2,400

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.