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
CEDAR SWAMP BROOK Connecticut Good 1990 6.7 m 4,500
BEAVER POND BROOK Connecticut Good 2006 32.6 m 4,500
SILVER BROOK Connecticut Good 2000 7.6 m 4,500
BROOK Connecticut Good 2011 11.3 m 4,500
HOUSATONIC RIVER Connecticut Good 1990 69.5 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
HORSENECK BROOK Connecticut Fair 1987 7.9 m 4,500
ROUTE 9 NORTHBOUND Connecticut Fair 1975 47.2 m 4,500
ROUTE 9 SOUTHBOUND Connecticut Fair 1975 50.2 m 4,500
ROUTE 9 & RAMPS Connecticut Fair 1977 110.4 m 4,500
MIRY BROOK Connecticut Poor 1986 8.8 m 4,490
PADANARAM BROOK Connecticut Fair 1930 11.6 m 4,418
MUD RIVER Connecticut Good 1966 6.4 m 4,405
PATTACONK BROOK Connecticut Good 1984 8.5 m 4,400
KNOWLTON BROOK Connecticut Fair 1929 10.1 m 4,400
NATCHAUG RIVER Connecticut Fair 1986 35.4 m 4,400
LONG SWAMP BROOK Connecticut Fair 1944 7.6 m 4,400
AMTRAK RAILROAD Connecticut Fair 1960 45.3 m 4,400
WEST RIVER Connecticut Fair 1991 32.6 m 4,400
ROUTE 9 SOUTHBOUND Connecticut Fair 1969 85.7 m 4,400
FARMINGTON CANAL GREENWA Connecticut Fair 1885 6.7 m 4,400
MIANUS RIVER Connecticut Fair 1935 10.4 m 4,390
MILL RIVER Connecticut Fair 1946 9.8 m 4,386
MNRR & CONST COMMENT WAY Connecticut Good 2010 81.1 m 4,373
ROUTE 15 Connecticut Fair 1938 20.7 m 4,362
MUDDY BROOK Connecticut Fair 1978 8.8 m 4,360
ASH CREEK Connecticut Fair 1929 10.9 m 4,340
WEST RIVER Connecticut Fair 1951 21.6 m 4,326
INTERSTATE-95 Connecticut Good 1952 37.3 m 4,300
FRENCH RIVER Connecticut Fair 1937 15.9 m 4,300
BEAVER BROOK Connecticut Fair 1939 8.8 m 4,300
SPRUCE SWAMP CREEK Connecticut Fair 1928 9.8 m 4,300
WAPPOQUIA BROOK Connecticut Good 2016 10.3 m 4,300
MUDDY RIVER Connecticut Good 1938 14.0 m 4,300
QUINEBAUG RIVER & CANAL Connecticut Fair 1959 134.1 m 4,300
HESSEKY BROOK Connecticut Fair 1957 11.7 m 4,300
QUINNIPIAC RIVER Connecticut Fair 1963 40.6 m 4,300
CANAL ST RAILS TO TRAILS Connecticut Fair 1963 81.7 m 4,300
AMTRAK RAILROAD Connecticut Good 1990 45.8 m 4,300
I-91 NB RAMP 140 Connecticut Fair 1965 26.2 m 4,300
FIVE MILE BROOK Connecticut Good 1936 7.6 m 4,300
MUDDY RIVER Connecticut Good 1954 11.1 m 4,300
POMPERAUG RIVER Connecticut Fair 1971 62.5 m 4,300
STEELE BROOK Connecticut Fair 1940 13.1 m 4,300
P & W RAILROAD Connecticut Good 2010 42.1 m 4,295
QUINNIPIAC RIVER Connecticut Fair 1957 25.0 m 4,284
MOUNTAIN BROOK Connecticut Fair 2011 7.3 m 4,220
NORTH STAMFORD RESERVOIR Connecticut Poor 1936 12.2 m 4,220

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.