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