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
WEPAWAUG RIVER Connecticut Good 1928 98 8,470
MILL CREEK Connecticut Fair 1928 98 4,200
WHALEBONE CREEK Connecticut Good 1928 98 300
KITT BROOK Connecticut Poor 1928 98 176
NORWALK RIVER Connecticut Fair 1928 98 3,790
SAUGATUCK RIVER Connecticut Fair 1928 98 3,600
STONY BROOK Connecticut Fair 1929 97 6,600
SAGES RAVINE BROOK Connecticut Fair 1929 97 1,300
BIGELOW BROOK Connecticut Fair 1929 97 7,500
FENTON RIVER Connecticut Fair 1929 97 4,700
KNOWLTON BROOK Connecticut Fair 1929 97 4,400
SHEPAUG RIVER Connecticut Good 1929 97 1,900
MASHAMOQUET BROOK Connecticut Fair 1929 97 8,500
BEAVER BROOK Connecticut Fair 1929 97 850
POCOTOPAUG CREEK Connecticut Fair 1929 97 2,600
E BR FARMINGTON RIVER Connecticut Fair 1929 97 2,000
ALLYNS BROOK Connecticut Fair 1929 97 7,300
METRO NORTH RAILROAD Connecticut Poor 1929 97 3,790
STEELE BROOK Connecticut Good 1929 97 5,600
MIANUS RIVER Connecticut Fair 1929 97 1,920
FARMINGTON CANAL GREENWA Connecticut Fair 1929 97 4,600
METRO-NORTH RAILROAD Connecticut Fair 1929 97 1,100
ASH CREEK Connecticut Fair 1929 97 4,340
STEELE BROOK Connecticut Good 1929 97 1,000
LITTLE RIVER-HANOVER RES Connecticut Fair 1929 97 270
ASPETUCK RIVER Connecticut Fair 1929 97 4,120
GORHAMS POND Connecticut Poor 1929 97 2,600
FURNACE BROOK Connecticut Fair 1929 97 2,800
NAUGATUCK RIVER Connecticut Fair 1930 96 7,900
BULLS CANAL Connecticut Fair 1930 96 2,300
HOUSATONIC RV RR LOCL RD Connecticut Fair 1930 96 3,800
PACHAUG RIVER - P & W RR Connecticut Fair 1930 96 8,200
PROV & WORC RAILROAD Connecticut Fair 1930 96 4,800
FOUR MILE BROOK Connecticut Fair 1930 96 11,100
ASPETUCK RIVER Connecticut Fair 1930 96 13,700
SAUGATUCK RIVER Connecticut Good 1930 96 13,700
FARM RIVER Connecticut Good 1930 96 12,100
BRANFORD RIVER Connecticut Fair 1930 96 16,300
WILLIMANTIC RIVER Connecticut Fair 1930 96 7,700
SALMON CREEK Connecticut Fair 1930 96 2,800
BROAD BROOK Connecticut Good 1930 96 8,200
MOODUS RIVER Connecticut Fair 1930 96 2,000
PINE BROOK Connecticut Fair 1930 96 1,800
PAN AM RAILROAD Connecticut Good 1930 96 9,300
AMTRAK RAILROAD Connecticut Good 1930 96 11,000
LITTLE RIVER Connecticut Poor 1930 96 175
HANCOCK BROOK Connecticut Fair 1930 96 2,300
FITCHVILLE POND Connecticut Good 1930 96 2,734
BLACKWELL BROOK Connecticut Good 1930 96 572
DEEP RIVER Connecticut Fair 1930 96 1,680

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.