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
SUMNER BROOK Connecticut Fair 1938 88 3,800
PEQUONNOCK RIVER Connecticut Poor 1938 88 8,240
MENUNKETESUCK RIVER Connecticut Fair 1938 88 595
LITTLE RIVER Connecticut Good 1938 88 684
POOTATUCK RIVER Connecticut Good 1938 88 184
BLACKBERRY RIVER Connecticut Fair 1938 88 628
ROARING BROOK Connecticut Good 1938 88 5,900
P & W RAILROAD Connecticut Fair 1938 88 16,000
HOUSATONIC RAILROAD Connecticut Fair 1938 88 550
METRO NORTH RAILROAD Connecticut Fair 1938 88 11,100
CARR BROOK Connecticut Fair 1938 88 2,900
CRICKER BROOK Connecticut Fair 1938 88 15,600
CRICKER BROOK Connecticut Fair 1938 88 5,900
BRANCH BROOK Connecticut Fair 1939 87 8,300
NAUG. RR & PRIVATE ROAD Connecticut Fair 1939 87 8,300
SHETUCKET RIVER Connecticut Fair 1939 87 5,000
BEAVER BROOK Connecticut Fair 1939 87 4,300
ROUTE 15 Connecticut Fair 1939 87 3,200
ROUTE 15 Connecticut Fair 1939 87 9,660
BAYBERRY LANE #1 Connecticut Fair 1939 87 65,700
ROUTE 15 Connecticut Fair 1939 87 2,200
ROUTE 15 Connecticut Fair 1939 87 1,700
ROUTE 15 Connecticut Fair 1939 87 674
ROUTE 15 Connecticut Fair 1939 87 750
ROUTE 15 Connecticut Fair 1939 87 4,700
RESERVOIR AVENUE Connecticut Fair 1939 87 66,300
POCOTOPAUG CREEK Connecticut Fair 1939 87 6,300
HOLLAND BROOK Connecticut Fair 1939 87 14,700
ROARING BROOK Connecticut Fair 1939 87 8,400
SAUGATUCK RESERVOIR Connecticut Poor 1939 87 2,600
SAUGATUCK RESERVOIR BRK Connecticut Fair 1939 87 2,900
MILL RIVER Connecticut Fair 1939 87 10,800
MOUNT HOPE RIVER Connecticut Fair 1939 87 1,600
BEAVER BROOK Connecticut Good 1939 87 3,000
POMPERAUG RIVER Connecticut Fair 1939 87 7,000
FARMINGTON RIVER Connecticut Fair 1939 87 15,500
W BR FARMINGTON RIVER Connecticut Fair 1939 87 6,600
BIGELOW BROOK Connecticut Fair 1939 87 1,900
SHETUCKET RIVER Connecticut Fair 1939 87 2,600
STREAM Connecticut Fair 1939 87 5,700
RATTLESNAKE BROOK Connecticut Fair 1939 87 17,900
ROARING BROOK Connecticut Fair 1939 87 3,246
SCANTIC RIVER Connecticut Fair 1939 87 250
FARM CREEK Connecticut Good 1939 87 2,520
SALMON BROOK Connecticut Fair 1939 87 252
STILL RIVER Connecticut Fair 1939 87 125
CHOATE BROOK Connecticut Fair 1939 87 714
QUANDUCK BROOK Connecticut Fair 1939 87 619
WINTERGREEN BROOK Connecticut Fair 1939 87 7,000
MILL RIVER Connecticut Fair 1939 87 717

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.