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
ROUTE 642 Connecticut Fair 1959 34.1 m 29,400
ROUTE 25 NORTHBOUND Connecticut Fair 1971 58.8 m 29,400
PEQUONNOCK RIVER & TRAIL Connecticut Fair 1971 106.1 m 29,400
BUDDINGTON ROAD Connecticut Fair 1964 36.6 m 29,300
GROTON RESERVOIR Connecticut Fair 1964 147.2 m 29,300
ROUTE 15 Connecticut Fair 1989 55.2 m 29,200
ROUTE 372 Connecticut Fair 1988 56.7 m 29,200
INTERSTATE-91 & TR 3 Connecticut Fair 1964 99.1 m 28,900
SR 724 EASTBOUND Connecticut Good 2015 77.4 m 28,800
DOW ROAD Connecticut Fair 1958 38.4 m 28,600
CAMP STREET Connecticut Good 1980 36.9 m 28,600
ROUTE 177 Connecticut Fair 1980 42.7 m 28,600
PEQUABUCK RIVER Connecticut Fair 1980 75.4 m 28,600
TEN MILE RIVER Connecticut Fair 1986 68.7 m 28,500
TEN MILE RIVER Connecticut Fair 1986 68.7 m 28,500
KNOTTER DRIVE Connecticut Fair 1986 32.6 m 28,500
KNOTTER DRIVE Connecticut Good 1986 34.7 m 28,500
CSX RR QUINNIPIAC RIVER Connecticut Fair 1972 244.1 m 28,400
I-91 & CONN RV CT SO. RR Connecticut Fair 1958 358.1 m 28,300
EAST RIVER DRIVE Connecticut Fair 1958 30.0 m 28,300
SR 719 Connecticut Fair 1938 18.5 m 28,100
QUINNIPIAC RIVER Connecticut Fair 1984 53.9 m 28,000
PEQUONNOCK RV & TRAIL Connecticut Fair 1971 111.9 m 28,000
CONN RIVER RTE 9 P&W RR Connecticut Poor 1938 1,044.9 m 28,000
PRATT STREET Connecticut Fair 1984 33.7 m 28,000
SOUTH END ROAD Connecticut Fair 1984 34.1 m 28,000
CTFASTRAK BUSWAY Connecticut Fair 2014 14.6 m 27,900
PIPER BROOK Connecticut Fair 1980 37.9 m 27,900
AMTRAK RAILROAD Connecticut Good 1980 32.7 m 27,900
NORWALK RIVER Connecticut Fair 1970 71.3 m 27,900
JOHNSONS CREEK Connecticut Fair 1959 7.0 m 27,900
ABANDONED RAILROAD Connecticut Good 1958 12.5 m 27,800
SR 805 (FEDERAL ROAD) Connecticut Fair 1962 45.1 m 27,600
STILL RIVER Connecticut Fair 1976 45.7 m 27,600
CONNECTICUT AVENUE Connecticut Fair 1970 26.8 m 27,500
MAPLE STREET Connecticut Fair 1970 17.4 m 27,500
PITKIN STREET Connecticut Fair 1964 18.1 m 27,500
RTE 184 &RTE 12 RAMP 005 Connecticut Fair 1964 86.9 m 27,500
SR 900 (KINGS HIGHWAY) Connecticut Fair 1964 34.8 m 27,500
CONNECTICUT AVE Connecticut Fair 1970 27.1 m 27,400
MAPLE STREET Connecticut Fair 1970 17.4 m 27,400
RTE 313 & NAUGATUCK RIV Connecticut Fair 1961 305.7 m 27,300
ROUTE 175 Connecticut Fair 1942 19.5 m 27,300
ROCKLEDGE BROOK Connecticut Fair 1965 7.6 m 27,200
PAN AM SO. RR SPUR LINE Connecticut Fair 1964 43.9 m 27,050
NB ACC LOWER DERBY AVE Connecticut Fair 1961 43.0 m 27,000
MASSAPEAG SIDE RD Connecticut Fair 1967 41.8 m 27,000
METRO-NORTH RAILROAD Connecticut Fair 1966 214.5 m 26,900
NAUGATUCK RV-LOCAL ROADS Connecticut Fair 1966 184.7 m 26,900
ROUTE 2 & RAMP 080 EB Connecticut Fair 1987 84.7 m 26,800

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.