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.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| PEARSONS BROOK | Connecticut | Fair | 1925 | 101 | 2,500 |
| ROARING BROOK | Connecticut | Fair | 1925 | 101 | 2,500 |
| SCANTIC RIVER | Connecticut | Poor | 1925 | 101 | 1,500 |
| SNAKE MEADOW BROOK | Connecticut | Poor | 1925 | 101 | 600 |
| STILL RIVER | Connecticut | Fair | 1925 | 101 | 16,000 |
| HOCKANUM RIVER | Connecticut | Fair | 1925 | 101 | 3,208 |
| NAUGATUCK RIVER | Connecticut | Fair | 1925 | 101 | 7,600 |
| BYRAM RIVER | Connecticut | Good | 1925 | 101 | 585 |
| WEST RIVER | Connecticut | Fair | 1925 | 101 | 18,300 |
| AMTRAK RAILROAD | Connecticut | Good | 1925 | 101 | 650 |
| MATTABESSET RIVER | Connecticut | Fair | 1926 | 100 | 25,100 |
| WASH BROOK | Connecticut | Fair | 1926 | 100 | 8,400 |
| NATCHAUG RIVER | Connecticut | Fair | 1926 | 100 | 4,200 |
| YANTIC RIVER | Connecticut | Fair | 1926 | 100 | 1,000 |
| YELLOW MILL POND | Connecticut | Fair | 1926 | 100 | 13,600 |
| AMTRAK RAILROAD | Connecticut | Fair | 1926 | 100 | 1,200 |
| AMTRAK RAILROAD | Connecticut | Fair | 1926 | 100 | 1,100 |
| LITTLE RIVER | Connecticut | Fair | 1926 | 100 | 14,600 |
| SASCO BROOK | Connecticut | Fair | 1927 | 99 | 19,700 |
| LEADMINE BROOK | Connecticut | Fair | 1927 | 99 | 13,100 |
| BLACKLEDGE RIVER | Connecticut | Fair | 1927 | 99 | 8,800 |
| POLAND RIVER | Connecticut | Fair | 1927 | 99 | 2,700 |
| POLAND RIVER | Connecticut | Fair | 1927 | 99 | 2,000 |
| SCANTIC RIVER | Connecticut | Fair | 1927 | 99 | 2,900 |
| BLACKWELL BROOK | Connecticut | Fair | 1927 | 99 | 2,300 |
| BROAD BROOK | Connecticut | Fair | 1927 | 99 | 6,900 |
| FAWN BROOK | Connecticut | Fair | 1927 | 99 | 9,200 |
| WOOD CREEK | Connecticut | Fair | 1927 | 99 | 5,400 |
| POLAND RIVER | Connecticut | Fair | 1927 | 99 | 2,000 |
| KIMBALLS BROOK | Connecticut | Good | 1927 | 99 | 7,700 |
| MILL RIVER | Connecticut | Good | 1927 | 99 | 1,600 |
| MILL RIVER | Connecticut | Good | 1927 | 99 | 1,600 |
| STONY BROOK | Connecticut | Fair | 1927 | 99 | 7,700 |
| OXOBOXO BROOK | Connecticut | Fair | 1927 | 99 | 11,100 |
| NONEWAUG RIVER | Connecticut | Fair | 1928 | 98 | 8,700 |
| HOP BROOK | Connecticut | Fair | 1928 | 98 | 10,000 |
| NORWALK RIVER | Connecticut | Fair | 1928 | 98 | 18,800 |
| NAUGATUCK RIVER & RR | Connecticut | Fair | 1928 | 98 | 2,500 |
| CANAL | Connecticut | Fair | 1928 | 98 | 4,000 |
| LITTLE RIVER | Connecticut | Fair | 1928 | 98 | 4,500 |
| MOOSUP RIVER | Connecticut | Fair | 1928 | 98 | 2,200 |
| BRANFORD RIVER | Connecticut | Good | 1928 | 98 | 6,400 |
| MUNGER BROOK | Connecticut | Fair | 1928 | 98 | 6,400 |
| SPRUCE SWAMP CREEK | Connecticut | Fair | 1928 | 98 | 4,300 |
| SKUNGAMAUG RIVER | Connecticut | Fair | 1928 | 98 | 8,300 |
| WEEKEEPEEMEE RIVER | Connecticut | Fair | 1928 | 98 | 3,000 |
| HOLLENBECK RIVER | Connecticut | Fair | 1928 | 98 | 2,100 |
| BLADENS RIVER | Connecticut | Fair | 1928 | 98 | 11,100 |
| STILL RIVER | Connecticut | Fair | 1928 | 98 | 18,200 |
| SOUTH BRANCH PARK RIVER | Connecticut | Fair | 1928 | 98 | 16,500 |
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.