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
HEMLOCK VALLEY BROOK Connecticut Good 2017 11.6 m 2,300
ROUTE 2 Connecticut Fair 1966 71.5 m 2,300
ROUTE 159 Connecticut Good 1989 43.3 m 2,300
MATTABESSET RIVER Connecticut Good 1974 25.8 m 2,300
FRENCH RIVER Connecticut Poor 1937 20.4 m 2,300
FRENCH RIVER CANAL Connecticut Poor 1976 16.2 m 2,300
HANCOCK BROOK Connecticut Fair 1930 15.5 m 2,300
FIVE MILE RIVER Connecticut Fair 1973 15.1 m 2,300
INTERSTATE-291 Connecticut Fair 1993 81.4 m 2,300
INTERSTATE-691 Connecticut Fair 1986 66.4 m 2,300
INTERSTATE-691 Connecticut Fair 1986 68.9 m 2,300
MALLORY BROOK Connecticut Fair 1996 8.8 m 2,300
QUINNEBAUG RIVER Connecticut Good 1999 25.3 m 2,295
AMTRAK RAILROAD Connecticut Fair 1906 21.3 m 2,287
ROUTE 2 EASTBOUND Connecticut Fair 1966 33.8 m 2,273
ROUTE 2 WESTBOUND Connecticut Fair 1966 37.0 m 2,273
SAUGATUCK RIVER Connecticut Fair 1957 21.3 m 2,272
MILL RIVER Connecticut Good 2023 24.7 m 2,270
MILL RIVER Connecticut Good 2020 17.6 m 2,240
ROUTE 15 Connecticut Fair 1942 32.3 m 2,224
STONY BROOK Connecticut Fair 1958 8.2 m 2,217
AMTRAK RAILROAD Connecticut Fair 1996 21.6 m 2,210
TUTTLE BROOK Connecticut Good 1978 7.0 m 2,209
MILL BROOK Connecticut Fair 1982 17.7 m 2,206
INTERSTATE-395 NB Connecticut Fair 1958 27.4 m 2,200
GUINEA BROOK Connecticut Poor 1933 8.5 m 2,200
MOOSUP RIVER Connecticut Fair 1928 13.1 m 2,200
ROUTE 15 Connecticut Fair 1939 24.9 m 2,200
QUINEBAUG RIVER Connecticut Fair 1937 71.3 m 2,200
HIGHLAND LAKE OUTLET Connecticut Fair 1957 11.0 m 2,200
INTERSTATE-95 SB Connecticut Fair 1964 61.5 m 2,200
HOCKANUM RIVER Connecticut Fair 1938 8.8 m 2,200
CEDAR SWAMP BROOK Connecticut Good 2019 8.5 m 2,200
AMTRAK Connecticut Fair 1936 56.1 m 2,200
METRO NORTH RAILROAD Connecticut Fair 1998 43.6 m 2,200
RACE BROOK Connecticut Good 1946 8.8 m 2,200
HAMMOCK RIVER Connecticut Fair 1947 7.6 m 2,200
TEN MILE RIVER Connecticut Good 1979 17.7 m 2,200
PROV & WORC RAILROAD Connecticut Fair 1979 40.4 m 2,200
TURKEY BROOK Connecticut Good 2005 6.1 m 2,200
KETCH BROOK Connecticut Fair 1936 8.2 m 2,200
INTERSTATE 91 Connecticut Fair 1989 64.6 m 2,200
QUINNIPIAC RIVER Connecticut Fair 1950 14.0 m 2,200
TATNIC BROOK Connecticut Good 1990 6.7 m 2,200
STILL RIVER Connecticut Good 1991 12.5 m 2,200
NORWALK RIVER Connecticut Fair 1912 25.6 m 2,185
INTERSTATE 84 Connecticut Good 1964 89.9 m 2,167
ROARING BROOK Connecticut Fair 1935 6.7 m 2,163
NOD BROOK Connecticut Fair 1981 12.8 m 2,160
QUINNIPIAC RIVER Connecticut Poor 1964 11.9 m 2,158

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.