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
PEQUABUCK RIVER Connecticut Fair 1993 20.2 m 19,000
ROUTE 349 AND RAMPS Connecticut Fair 1966 73.5 m 19,000
I-95 & I-95 RAMP 352 Connecticut Fair 2001 90.8 m 18,900
BLACKMANS BROOK Connecticut Fair 2000 8.5 m 18,900
WHITNEY AVENUE Connecticut Fair 1980 40.8 m 18,900
METRO-NORTH RAILROAD Connecticut Fair 1893 24.7 m 18,900
WHITNEY AVENUE Connecticut Fair 1980 40.8 m 18,900
I-84 RAMP 301 Connecticut Fair 1987 52.7 m 18,900
NORWALK RIVER Connecticut Fair 1957 13.4 m 18,800
NORWALK RIVER Connecticut Fair 1928 11.3 m 18,800
COOPER POND BROOK Connecticut Fair 1961 10.7 m 18,800
W. BRANCH PEQUONNOCK RVR Connecticut Good 2019 10.4 m 18,800
ROUTE 9 Connecticut Fair 1991 57.0 m 18,700
STRICKLAND BROOK Connecticut Fair 1911 9.1 m 18,700
INTERSTATE-84 Connecticut Fair 1969 154.3 m 18,700
MILL RIVER Connecticut Fair 1948 21.6 m 18,600
I-91 AMTRAK RAMP B Connecticut Fair 1973 152.7 m 18,600
QUINNIPIAC RIVER Connecticut Fair 1973 69.2 m 18,600
N.E. CENTRAL RAILROAD Connecticut Fair 1956 24.9 m 18,600
TANKERHOOSEN RIVER Connecticut Fair 1932 9.8 m 18,600
ANGUILLA BROOK Connecticut Fair 1964 11.6 m 18,600
NORWALK RIVER Connecticut Good 2017 20.7 m 18,500
PLUM GULLY BROOK Connecticut Fair 1960 10.4 m 18,500
STILL RIVER Connecticut Poor 1949 41.5 m 18,500
INTERSTATE-84 Connecticut Fair 1962 89.6 m 18,400
BIRCH MOUNTAIN BROOK Connecticut Fair 1970 81.4 m 18,400
NEDOBITY ROAD Connecticut Fair 1965 40.2 m 18,300
WELLINGTON ROAD EXT. Connecticut Good 1992 36.3 m 18,300
TOLLAND TPKE & CSRR Connecticut Good 1993 99.1 m 18,300
QUINEBAUG RIVER Connecticut Fair 1957 59.0 m 18,300
FIVE MILE RIVER Connecticut Fair 1959 15.2 m 18,300
ROUTE 9 RAMPS 31 & 32 Connecticut Fair 1959 37.2 m 18,300
WEST RIVER Connecticut Fair 1925 23.8 m 18,300
INTERSTATE-291 RAMP 001 Connecticut Good 1992 38.7 m 18,300
BLADENS RIVER Connecticut Fair 1936 9.8 m 18,300
TOLLAND TPKE & CSRR Connecticut Good 1993 102.4 m 18,300
STILL RIVER Connecticut Fair 1928 12.2 m 18,200
ROUTE 10 Connecticut Fair 1933 36.6 m 18,200
TURTLE CREEK Connecticut Good 2024 7.0 m 18,200
ANGUILLA BROOK Connecticut Fair 1964 11.6 m 18,200
ROUTE 123 Connecticut Fair 1970 31.4 m 18,100
ROUTE 9 RAMPS 31 & 32 Connecticut Fair 1959 36.6 m 18,100
WEPAWAUG RIVER Connecticut Good 2016 23.2 m 18,000
HOCKANUM RIVER Connecticut Fair 1941 28.3 m 18,000
PAN AM RAILROAD Connecticut Fair 1989 33.1 m 18,000
YANTIC RIVER Connecticut Fair 1956 50.8 m 18,000
ROUTE 17 Connecticut Fair 1950 47.1 m 17,900
RATTLESNAKE BROOK Connecticut Fair 1939 6.7 m 17,900
BIRCH MOUNTAIN BROOK Connecticut Fair 1970 81.4 m 17,900
HUNTINGDON AVENUE Connecticut Fair 1964 19.8 m 17,900

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.