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.

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BridgeLocationConditionYear BuiltLengthADT
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.