Browse Bridge Database
4,363 bridges in the FHWA National Bridge Inventory in Connecticut.
National Bridge Inventory Database
Browse 4,363 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| BYRAM RIVER | Connecticut | Good | 1955 | 18.1 m | 675 |
| ROUTE 15 | Connecticut | Fair | 1939 | 25.9 m | 674 |
| SANDY BROOK | Connecticut | Fair | 1948 | 25.3 m | 673 |
| SAMMIS BROOK | Connecticut | Good | 1990 | 11.6 m | 673 |
| ROUTE 11 SOUTHBOUND | Connecticut | Good | 1971 | 69.2 m | 672 |
| CSX RAILROAD | Connecticut | Fair | 1983 | 52.4 m | 671 |
| SANDY BROOK | Connecticut | Good | 2023 | 30.5 m | 670 |
| INDIAN POND CREEK | Connecticut | Fair | 1984 | 7.6 m | 670 |
| TEN MILE RIVER | Connecticut | Good | 1991 | 11.6 m | 668 |
| MILL RIVER | Connecticut | Fair | 1957 | 11.3 m | 664 |
| POLAND RIVER | Connecticut | Fair | 1955 | 8.2 m | 663 |
| SANDY BROOK | Connecticut | Good | 2013 | 36.6 m | 662 |
| INTERSTATE 84 | Connecticut | Fair | 1962 | 63.4 m | 661 |
| MORGAN BROOK | Connecticut | Fair | 1957 | 18.6 m | 660 |
| BEACON HILL BROOK | Connecticut | Good | 1982 | 17.1 m | 660 |
| INTERSTATE 84 | Connecticut | Fair | 1963 | 69.8 m | 658 |
| ROCK BROOK | Connecticut | Good | 1997 | 13.4 m | 657 |
| W BRANCH NAUGATUCK RIVER | Connecticut | Fair | 1960 | 24.9 m | 655 |
| WEST ASPETUCK RIVER | Connecticut | Poor | 1937 | 10.7 m | 655 |
| SCANTIC RIVER | Connecticut | Fair | 1949 | 13.7 m | 654 |
| ROUTE 15 | Connecticut | Fair | 1938 | 23.2 m | 650 |
| MENUNKETESUCK RIVER | Connecticut | Good | 2022 | 9.9 m | 650 |
| FIVE MILE RIVER | Connecticut | Fair | 2000 | 6.7 m | 650 |
| SANDY BROOK | Connecticut | Good | 1956 | 8.2 m | 650 |
| PEQUONNOCK RIVER | Connecticut | Good | 1979 | 10.7 m | 650 |
| AMTRAK RAILROAD | Connecticut | Good | 1925 | 11.9 m | 650 |
| INTERSTATE-395 | Connecticut | Poor | 1958 | 63.4 m | 645 |
| MERRYALL BROOK | Connecticut | Good | 2014 | 8.0 m | 645 |
| WACHOCASTINOOK BROOK | Connecticut | Good | 2002 | 14.5 m | 645 |
| FURNACE BROOK | Connecticut | Poor | 1935 | 7.3 m | 644 |
| MORRISSEY BROOK | Connecticut | Good | 2003 | 10.4 m | 644 |
| STONY BROOK | Connecticut | Fair | 2001 | 12.2 m | 644 |
| SAWMILL BROOK | Connecticut | Fair | 1936 | 11.6 m | 644 |
| MASHAMOQUET BROOK | Connecticut | Good | 1999 | 16.4 m | 643 |
| TRANSYLVANIA BROOK | Connecticut | Good | 2019 | 15.1 m | 642 |
| LEE BROOK | Connecticut | Good | 2001 | 7.9 m | 642 |
| ROARING BROOK | Connecticut | Fair | 1964 | 7.8 m | 640 |
| DECKERS BROOK | Connecticut | Good | 1979 | 6.4 m | 633 |
| SAUGATUCK RIVER | Connecticut | Fair | 1980 | 23.5 m | 632 |
| ROARING BROOK | Connecticut | Good | 1985 | 7.6 m | 630 |
| WILLIMANTIC RIVER | Connecticut | Fair | 1950 | 37.5 m | 629 |
| BLACKBERRY RIVER | Connecticut | Fair | 1938 | 24.1 m | 628 |
| MARSHEPAUG RIVER | Connecticut | Fair | 1970 | 18.3 m | 627 |
| DECKERS BROOK | Connecticut | Good | 1979 | 7.6 m | 626 |
| WILLOW BROOK | Connecticut | Poor | 1924 | 9.1 m | 625 |
| ASPETUCK RIVER | Connecticut | Good | 2016 | 6.2 m | 625 |
| WEST ASPETUCK RIVER | Connecticut | Fair | 1975 | 7.9 m | 625 |
| WEST ASPETUCK RIVER | Connecticut | Poor | 1956 | 15.2 m | 625 |
| SAUGATUCK RIVER | Connecticut | Good | 2011 | 27.4 m | 622 |
| QUANDUCK BROOK | Connecticut | Fair | 1939 | 11.3 m | 619 |
Frequently Asked Questions
The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.
ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.
Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.