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
EIGHT MILE RIVER Connecticut Fair 1980 8.1 m 4,700
ROUTE 15 Connecticut Fair 1939 24.7 m 4,700
FIVE MILE RIVER Connecticut Fair 1931 10.7 m 4,700
FENTON RIVER Connecticut Fair 1929 10.4 m 4,700
METRO NORTH RAILROAD Connecticut Fair 1982 25.3 m 4,700
INTERSTATE-84 Connecticut Fair 1963 64.9 m 4,700
METRO NORTH RAILROAD Connecticut Fair 1900 18.9 m 4,700
FARMINGTON RIVER Connecticut Fair 1988 58.2 m 4,700
EIGHT MILE RIVER Connecticut Fair 1971 29.9 m 4,700
EIGHT MILE RIVER Connecticut Fair 1971 29.9 m 4,700
MOUNTAIN BROOK Connecticut Fair 1988 8.5 m 4,700
I-84 EB & I-84 RAMP 028 Connecticut Fair 1973 100.9 m 4,700
NO NOTABLE FEATURE Connecticut Fair 1965 66.8 m 4,700
MIDDLE RIVER Connecticut Fair 1983 7.9 m 4,700
ROUTE 9 Connecticut Fair 1967 123.7 m 4,700
INTERSTATE 384 Connecticut Fair 1968 79.1 m 4,700
NORTHFIELD BROOK Connecticut Good 1964 6.1 m 4,700
HOCKANUM RIVER Connecticut Good 2023 15.5 m 4,700
ROUTE 9 Connecticut Fair 1988 129.7 m 4,700
JACKS BROOK Connecticut Good 1990 10.7 m 4,700
METRO-NORTH RAILROAD Connecticut Fair 1967 41.1 m 4,629
INTERSTATE 95 Connecticut Fair 1958 72.5 m 4,620
ROUTE 322 Connecticut Poor 1936 18.0 m 4,600
SUMNER BROOK Connecticut Fair 1955 8.2 m 4,600
WILLIMANTIC RIVER Connecticut Fair 1947 39.8 m 4,600
NEW ENGLAND CENTRAL RR Connecticut Poor 1947 27.1 m 4,600
MIDDLE RIVER Connecticut Fair 1952 15.5 m 4,600
MENUNKATUCK RIVER Connecticut Good 1990 8.5 m 4,600
HAMMONASSET RIVER Connecticut Fair 1934 61.0 m 4,600
METRO NORTH RAILROAD Connecticut Fair 1982 41.1 m 4,600
ROUTE 2A Connecticut Fair 1996 53.5 m 4,600
CARR BROOK Connecticut Good 2014 9.1 m 4,600
WEST NORFOLK BROOK Connecticut Good 2008 7.9 m 4,600
MILL RIVER Connecticut Good 1990 7.9 m 4,600
INTERSTATE-91 SOUTHBOUND Connecticut Fair 1965 75.3 m 4,600
NO NOTABLE FEATURE Connecticut Fair 1967 21.3 m 4,600
HOCKANUM RIVER Connecticut Fair 1995 12.5 m 4,600
FARMINGTON CANAL GREENWA Connecticut Fair 1929 14.0 m 4,600
P & W RAILROAD Connecticut Good 2019 11.9 m 4,572
AMTRAK RAILROAD Connecticut Good 1961 16.0 m 4,570
POMPERAUG RIVER Connecticut Fair 1967 32.9 m 4,551
LAKE COMPOUNCE ENTRANCE Connecticut Fair 1988 11.6 m 4,530
ROUTE 72 Connecticut Good 1973 65.3 m 4,527
WHARTON BROOK Connecticut Fair 1900 9.1 m 4,525
KNOWLTON BROOK Connecticut Good 1939 7.0 m 4,500
BEAVER POND BROOK Connecticut Good 2006 32.6 m 4,500
I84 503 RR CAP AV FOREST Connecticut Fair 1969 435.9 m 4,500
PARKING LOT Connecticut Fair 1969 182.7 m 4,500
INTERSTATE-395 Connecticut Fair 1967 65.9 m 4,500
HOUSATONIC RIVER Connecticut Good 1990 69.5 m 4,500

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.