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
GILBERT AVE Connecticut Fair 1949 77 77,800
WILMOT BROOK Connecticut Fair 1949 77 77,800
LANE STREET Connecticut Fair 1949 77 79,800
ROUTE 15 Connecticut Good 1949 77 8,600
ROUTE 15 Connecticut Fair 1949 77 3,800
EAST MAIN STREET Connecticut Fair 1949 77 6,100
WHITING RIVER Connecticut Fair 1949 77 5,400
STILL RIVER Connecticut Poor 1949 77 18,500
HORSE TAVERN BROOK Connecticut Good 1949 77 8,400
TUMBLE BROOK Connecticut Fair 1949 77 9,300
SCANTIC RIVER Connecticut Fair 1949 77 5,400
GREEN FALLS RIVER Connecticut Good 1949 77 1,500
WILMOT BROOK Connecticut Fair 1949 77 4,200
BISSELL BROOK Connecticut Fair 1949 77 1,800
SCANTIC RIVER Connecticut Fair 1949 77 654
WEST RIVER Connecticut Poor 1950 76 17,600
GRISWOLD STREET Connecticut Fair 1950 76 74,400
SALMON BROOK Connecticut Fair 1950 76 65,900
ROUTE 17 Connecticut Fair 1950 76 17,900
DNBY TERM/HOUSATONIC RR Connecticut Fair 1950 76 7,100
SNAKE MEADOW BROOK Connecticut Good 1950 76 7,500
LONG HILL AVENUE Connecticut Good 1950 76 66,000
ROUTE 8 Connecticut Fair 1950 76 5,463
ROUTE 8 Connecticut Fair 1950 76 5,000
HOUSATONIC RAILROAD Connecticut Fair 1950 76 73,500
P&W RAILROAD & UNION ST Connecticut Poor 1950 76 55,700
SHEPAUG RIVER Connecticut Fair 1950 76 4,200
HOLLENBECK RIVER Connecticut Fair 1950 76 2,900
LITTLE RIVER Connecticut Fair 1950 76 19,400
LITTLE RIVER Connecticut Fair 1950 76 17,200
EDSON BROOK Connecticut Good 1950 76 7,400
ABANDONED RAILROAD Connecticut Fair 1950 76 1,600
CONNECTICUT SOUTHERN RR Connecticut Fair 1950 76 108,100
STREAMING GROUND BROOK Connecticut Fair 1950 76 60,200
WILMOT BROOK Connecticut Good 1950 76 5,200
NOROTON RIVER Connecticut Fair 1950 76 8,650
STONY BROOK Connecticut Fair 1950 76 6,870
ASH CREEK Connecticut Poor 1950 76 12,090
QUINNIPIAC RIVER Connecticut Fair 1950 76 2,200
PATTACONK BROOK Connecticut Fair 1950 76 150
MOUNT HOPE RIVER Connecticut Poor 1950 76 430
FENTON RIVER Connecticut Fair 1950 76 682
DICKINSON CREEK Connecticut Fair 1950 76 200
CANAL Connecticut Fair 1950 76 5,775
QUANDUCK BROOK Connecticut Good 1950 76 528
MOOSUP RIVER Connecticut Good 1950 76 780
WILLIMANTIC RIVER Connecticut Fair 1950 76 629
ROARING BROOK Connecticut Good 1950 76 252
EAST RIVER Connecticut Poor 1950 76 3,000
MILL RIVER Connecticut Fair 1950 76 2,800

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.