Historic Bridges in Connecticut

860 bridges built before 1951 in Connecticut still in service today.

Bridges Built Before 1951

The United States has 860 bridges in Connecticut 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
FIVE MILE RIVER Connecticut Fair 1933 93 10,300
METRO NORTH RAILROAD Connecticut Fair 1933 93 9,800
RIPPOWAM RIVER Connecticut Poor 1933 93 3,390
CUMMINGS BROOK Connecticut Fair 1933 93 1,220
ROOSTER RIVER Connecticut Fair 1933 93 5,070
AMTRAK RAILROAD Connecticut Good 1933 93 440
BUNGEE BROOK Connecticut Fair 1933 93 750
BEACON HILL BROOK Connecticut Good 1933 93 2,600
COGINCHAUG RIVER Connecticut Fair 1933 93 1,071
AMTRAK RAILROAD Connecticut Fair 1933 93 10,400
HOP BROOK Connecticut Fair 1933 93 10,800
LITTLE RIVER Connecticut Fair 1933 93 13,900
METRO NORTH RAILROAD Connecticut Fair 1933 93 13,536
AMTRAK RAILROAD Connecticut Fair 1933 93 2,100
FARM RIVER Connecticut Fair 1933 93 2,300
WEWAKA BROOK Connecticut Fair 1933 93 265
GUINEA BROOK Connecticut Fair 1934 92 2,300
FRESHWATER BROOK Connecticut Fair 1934 92 12,100
ROUTE 127 Connecticut Fair 1934 92 77,400
WEST BRANCH SALMON BROOK Connecticut Fair 1934 92 1,900
WIMISINK BROOK Connecticut Fair 1934 92 1,100
MILL BROOK Connecticut Fair 1934 92 5,200
PACHAUG RIVER Connecticut Fair 1934 92 3,000
EIGHT MILE BROOK Connecticut Fair 1934 92 11,800
LITTLE RIVER Connecticut Fair 1934 92 17,200
WEST RIVER Connecticut Fair 1934 92 7,100
HAMMONASSET RIVER Connecticut Fair 1934 92 4,600
WEEKEEPEEMEE RIVER Connecticut Fair 1934 92 1,700
DENISON BROOK Connecticut Fair 1934 92 6,200
GLASGO POND Connecticut Fair 1934 92 2,500
CONVERSE POND BROOK Connecticut Fair 1934 92 53,800
HIGLEY BROOK Connecticut Fair 1934 92 8,100
WEPAWAUG RIVER Connecticut Fair 1934 92 8,345
FARMILL RIVER Connecticut Fair 1934 92 17,212
YANTIC RIVER Connecticut Fair 1934 92 3,200
HOP RIVER Connecticut Poor 1934 92 401
LITTLE JACKS BROOK Connecticut Good 1934 92 518
HANCOCK BROOK Connecticut Fair 1934 92 10,200
MENUNKETESUCK RIVER Connecticut Fair 1934 92 937
CHATFIELD HOLLOW BROOK Connecticut Good 1934 92 359
HURRICANE BROOK Connecticut Fair 1934 92 20
PEQUABUCK RIVER Connecticut Fair 1935 91 16,600
MAD RIVER Connecticut Fair 1935 91 7,300
WEST BRANCH SALMON BROOK Connecticut Fair 1935 91 10,000
PRVT ACCESS RD AND BROOK Connecticut Fair 1935 91 53,800
CONVERSE POND BROOK Connecticut Fair 1935 91 53,800
ROUTE 15 Connecticut Fair 1935 91 3,800
STILL RIVER Connecticut Fair 1935 91 3,100
FARM RIVER Connecticut Fair 1935 91 12,200
MAD RIVER Connecticut Fair 1935 91 10,400

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.