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.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| 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.