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 |
|---|---|---|---|---|---|
| LITTLE RIVER | Connecticut | Poor | 1900 | 11.6 m | 1,178 |
| RIPPOWAM RIVER | Connecticut | Good | 1990 | 12.8 m | 1,165 |
| LONG MEADOW POND BROOK | Connecticut | Fair | 1955 | 8.5 m | 1,165 |
| INTERSTATE-95 | Connecticut | Fair | 1958 | 52.1 m | 1,148 |
| JUDD BROOK | Connecticut | Good | 1999 | 6.4 m | 1,147 |
| WEST ASPETUCK RIVER | Connecticut | Good | 2002 | 19.3 m | 1,147 |
| SPRUCE BROOK | Connecticut | Fair | 1989 | 7.0 m | 1,147 |
| MENUNKETESUCK RIVER | Connecticut | Good | 2021 | 22.6 m | 1,138 |
| BLACKWELL BROOK | Connecticut | Good | 2000 | 18.0 m | 1,135 |
| MUNGER BROOK | Connecticut | Good | 1985 | 7.9 m | 1,135 |
| SHUNOCK RIVER | Connecticut | Good | 2012 | 8.5 m | 1,133 |
| SILVERMINE RIVER | Connecticut | Fair | 1956 | 14.6 m | 1,130 |
| MILL RIVER | Connecticut | Fair | 1935 | 37.8 m | 1,125 |
| ALLYN BROOK | Connecticut | Good | 1957 | 9.1 m | 1,124 |
| INTERSTATE 84 | Connecticut | Fair | 1962 | 74.4 m | 1,113 |
| BUTTERNUT BROOK | Connecticut | Good | 2016 | 15.9 m | 1,108 |
| HOCKANUM RIVER | Connecticut | Good | 2018 | 14.6 m | 1,104 |
| METRO-NORTH RAILROAD | Connecticut | Good | 1910 | 19.5 m | 1,102 |
| SUMNER BROOK | Connecticut | Poor | 1935 | 8.5 m | 1,101 |
| EAST BRANCH SALMON BROOK | Connecticut | Fair | 1990 | 7.9 m | 1,100 |
| WIMISINK BROOK | Connecticut | Fair | 1934 | 7.0 m | 1,100 |
| HOUSATONIC RIVER | Connecticut | Fair | 1841 | 52.6 m | 1,100 |
| SANDY BROOK | Connecticut | Fair | 1958 | 19.8 m | 1,100 |
| MILL BROOK | Connecticut | Fair | 1924 | 9.1 m | 1,100 |
| METRO-NORTH RAILROAD | Connecticut | Fair | 1929 | 16.2 m | 1,100 |
| NAUGATUCK RIVER | Connecticut | Fair | 1956 | 58.4 m | 1,100 |
| FALLS RIVER | Connecticut | Fair | 1980 | 11.3 m | 1,100 |
| FRESHWATER BROOK | Connecticut | Good | 2023 | 14.9 m | 1,100 |
| EIGHT MILE BROOK | Connecticut | Fair | 1956 | 22.3 m | 1,100 |
| HALL MEADOW BROOK | Connecticut | Fair | 1988 | 10.4 m | 1,100 |
| AMTRAK RAILROAD | Connecticut | Fair | 1926 | 10.9 m | 1,100 |
| PAN AM RAILROAD | Connecticut | Fair | 1991 | 13.8 m | 1,100 |
| INTERSTATE-395 | Connecticut | Fair | 1958 | 50.5 m | 1,091 |
| GOODWIVES RIVER | Connecticut | Fair | 1962 | 6.7 m | 1,090 |
| NECK RIVER | Connecticut | Fair | 1987 | 10.7 m | 1,086 |
| INTERSTATE-95 | Connecticut | Fair | 1958 | 60.7 m | 1,081 |
| STILL RIVER | Connecticut | Fair | 1970 | 10.4 m | 1,080 |
| QUINNIPIAC RIVER | Connecticut | Fair | 1961 | 18.3 m | 1,076 |
| FARM RIVER | Connecticut | Good | 2002 | 23.5 m | 1,076 |
| COGINCHAUG RIVER | Connecticut | Fair | 1933 | 12.8 m | 1,071 |
| DEEP BROOK | Connecticut | Good | 2008 | 6.5 m | 1,070 |
| INTERSTATE-95 | Connecticut | Fair | 1957 | 47.5 m | 1,066 |
| ROUTE 15 | Connecticut | Fair | 1940 | 28.7 m | 1,061 |
| ROARING BROOK | Connecticut | Good | 2020 | 14.8 m | 1,061 |
| PROV & WORC RAILROAD | Connecticut | Fair | 1988 | 16.8 m | 1,060 |
| BULL MOUNTAIN BROOK | Connecticut | Good | 1989 | 6.5 m | 1,060 |
| SASCO BROOK | Connecticut | Fair | 1955 | 15.5 m | 1,060 |
| METRO-NORTH RAILROAD | Connecticut | Fair | 1900 | 21.3 m | 1,058 |
| OXOBOXO BROOK | Connecticut | Fair | 1920 | 8.8 m | 1,056 |
| MATTABESSET RIVER | Connecticut | Good | 1957 | 8.8 m | 1,050 |
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.