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 |
|---|---|---|---|---|---|
| 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.