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 |
|---|---|---|---|---|---|
| COMSTOCK BROOK | Connecticut | Fair | 1944 | 7.0 m | 745 |
| SKUNGAMAUG RIVER | Connecticut | Fair | 1973 | 20.7 m | 739 |
| WINTERGREEN BROOK | Connecticut | Good | 2017 | 7.3 m | 737 |
| HOCKANUM RIVER | Connecticut | Good | 1988 | 10.4 m | 733 |
| BROOK | Connecticut | Fair | 1982 | 6.4 m | 729 |
| WEPAWAUG RIVER | Connecticut | Good | 2020 | 17.5 m | 721 |
| ASSEKONK BROOK | Connecticut | Good | 1986 | 8.2 m | 721 |
| PACHAUG RIVER | Connecticut | Good | 2019 | 16.6 m | 719 |
| MILL RIVER | Connecticut | Fair | 1939 | 13.4 m | 717 |
| HUNTS BROOK | Connecticut | Fair | 1940 | 12.5 m | 717 |
| W BRANCH SAUGATUCK RV | Connecticut | Good | 2022 | 24.1 m | 715 |
| FIVE MILE RIVER | Connecticut | Good | 2012 | 20.4 m | 714 |
| CHOATE BROOK | Connecticut | Fair | 1939 | 10.0 m | 714 |
| MUDDY RIVER | Connecticut | Good | 1945 | 9.8 m | 714 |
| WEBATUCK CREEK | Connecticut | Good | 2000 | 12.8 m | 713 |
| MIANUS RIVER | Connecticut | Fair | 2008 | 16.8 m | 705 |
| LEDYARD RESERVOIR OVFL | Connecticut | Fair | 1954 | 13.1 m | 702 |
| INTERSTATE-395 | Connecticut | Poor | 1958 | 50.2 m | 700 |
| E BRANCH NAUGATUCK RIVER | Connecticut | Poor | 1935 | 8.8 m | 700 |
| INDIAN HOLE BROOK | Connecticut | Fair | 1910 | 7.3 m | 700 |
| MUDDY BROOK | Connecticut | Fair | 1937 | 7.3 m | 700 |
| MILL BROOK | Connecticut | Fair | 1953 | 7.0 m | 700 |
| CANDLEWOOD HILL BROOK | Connecticut | Fair | 1991 | 7.0 m | 700 |
| BISSELL BROOK | Connecticut | Fair | 1956 | 12.2 m | 700 |
| WILLIMANTIC RIVER | Connecticut | Fair | 1956 | 28.7 m | 700 |
| GREAT BROOK | Connecticut | Good | 1990 | 9.1 m | 700 |
| E BRANCH NAUGATUCK RIVER | Connecticut | Fair | 1987 | 8.8 m | 700 |
| FARM RIVER | Connecticut | Good | 1991 | 13.7 m | 700 |
| INTERSTATE 95 SB | Connecticut | Fair | 1964 | 52.5 m | 697 |
| HOCKANUM RIVER | Connecticut | Good | 2014 | 12.2 m | 697 |
| INTERSTATE-95 NB | Connecticut | Fair | 1964 | 49.1 m | 696 |
| ROUTE 8 & MERRITT BLVD | Connecticut | Fair | 1975 | 113.1 m | 695 |
| AMTRAK RAILROAD | Connecticut | Good | 1992 | 10.8 m | 690 |
| WILLOW BROOK | Connecticut | Good | 1988 | 9.4 m | 689 |
| AMTRAK RAILROAD | Connecticut | Fair | 1987 | 20.6 m | 687 |
| FIVE MILE RIVER | Connecticut | Good | 2000 | 10.4 m | 685 |
| HOUSATONIC RAILROAD | Connecticut | Fair | 1991 | 31.3 m | 685 |
| ROUTE 11 NORTHBOUND | Connecticut | Fair | 1972 | 69.5 m | 684 |
| LITTLE RIVER | Connecticut | Good | 1938 | 21.3 m | 684 |
| MARY BROWN BROOK | Connecticut | Poor | 1955 | 9.1 m | 684 |
| FENTON RIVER | Connecticut | Fair | 1950 | 8.8 m | 682 |
| ROUTE 9 | Connecticut | Fair | 1965 | 77.6 m | 681 |
| ROUTE 8 | Connecticut | Poor | 1966 | 124.3 m | 680 |
| SALMON BROOK | Connecticut | Fair | 1967 | 19.2 m | 680 |
| LITTLE RIVER | Connecticut | Fair | 1954 | 6.7 m | 680 |
| HUNTS BROOK | Connecticut | Fair | 1970 | 6.4 m | 678 |
| STILL RIVER | Connecticut | Good | 1993 | 25.0 m | 676 |
| ASPETUCK RIVER | Connecticut | Good | 2022 | 16.6 m | 676 |
| I-84 EB AND TR 816 | Connecticut | Fair | 1969 | 37.8 m | 675 |
| I-84 WESTBOUND & RAMPS | Connecticut | Fair | 1968 | 44.2 m | 675 |
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.