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
FRENCH RIVER Connecticut Fair 1940 86 1,255
HOP BROOK Connecticut Fair 1940 86 6,650
WEST RIVER Connecticut Good 1940 86 1,328
MARSHEPAUG RIVER Connecticut Good 1940 86 477
BANTAM RIVER Connecticut Fair 1940 86 515
FENTON RIVER Connecticut Fair 1940 86 152
BLACKBERRY RIVER Connecticut Good 1940 86 252
QUADDICK LAKE Connecticut Fair 1940 86 542
HUNTS BROOK Connecticut Fair 1940 86 717
STEELE BROOK Connecticut Fair 1940 86 4,300
QUADDICK LAKE Connecticut Poor 1940 86 246
BROAD BROOK Connecticut Good 1940 86 6,700
HIGHLAND LAKE OUTLET Connecticut Fair 1940 86 3,420
BRISTOL RESERVOIR SPL Connecticut Fair 1940 86 523
MEANS BROOK Connecticut Good 1940 86 124
BEAVER BROOK Connecticut Fair 1940 86 2,600
PARK RIVER CONDUIT Connecticut Fair 1940 86 32,300
MAD RIVER Connecticut Fair 1940 86 42
MAD RIVER Connecticut Fair 1940 86 42
MARKS BROOK Connecticut Poor 1940 86 2,700
US ROUTE 1 Connecticut Fair 1941 85 5,500
HOCKANUM RIVER Connecticut Fair 1941 85 19,600
HOCKANUM RIVER Connecticut Fair 1941 85 18,000
PUMPKIN BROOK Connecticut Fair 1941 85 80,000
ROUTE 15 Connecticut Fair 1941 85 7,600
ROUTE 15 Connecticut Fair 1941 85 8,700
ROUTE 15 Connecticut Fair 1941 85 30,100
FOLLY BROOK Connecticut Fair 1941 85 47,500
NEW ENGLAND CENTRAL RR. Connecticut Poor 1941 85 11,800
SPRUCE BROOK Connecticut Fair 1941 85 10,700
MASHAMOQUET BROOK Connecticut Fair 1941 85 6,600
LIEUTENANT RIVER Connecticut Fair 1941 85 7,400
SAMP MORTAR RESERVOIR Connecticut Fair 1941 85 15,700
PUMPING STATION OUTLET Connecticut Fair 1941 85 47,500
SHETUCKET RIVER Connecticut Fair 1941 85 2,400
WEEKEEPEEMEE RIVER Connecticut Fair 1941 85 1,200
ROGERS POND Connecticut Fair 1941 85 5,700
EAST RUTLAND ROAD Connecticut Fair 1941 85 56,700
SR 796 Connecticut Good 1941 85 5,900
BEAVER BROOK Connecticut Fair 1941 85 3,700
YANTIC RIVER Connecticut Fair 1941 85 1,200
MEADOW STREET Connecticut Good 1941 85 6,200
N STAMFORD RES OUTLET Connecticut Fair 1941 85 3,400
WEPAWAUG RIVER Connecticut Fair 1941 85 6,400
CHENEY RAIL TRAIL Connecticut Good 1941 85 1,887
NOTCH HILL BROOK Connecticut Good 1941 85 5,500
ASPETUCK RIVER Connecticut Fair 1941 85 1,970
LITTLE RIVER Connecticut Fair 1941 85 204
PROV & WORC RAILROAD Connecticut Fair 1941 85 12,900
MINE BROOK Connecticut Fair 1941 85 43

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.