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 |
|---|---|---|---|---|---|
| AMTRAK RAILROAD | Connecticut | Poor | 1910 | 10.7 m | 545 |
| QUADDICK LAKE | Connecticut | Fair | 1940 | 9.8 m | 542 |
| INTERSTATE-84 | Connecticut | Fair | 1979 | 136.4 m | 540 |
| EAST BRANCH SALMON BROOK | Connecticut | Fair | 1969 | 13.1 m | 540 |
| POND BROOK | Connecticut | Good | 2005 | 9.8 m | 540 |
| NORTH NEPAUG RIVER | Connecticut | Good | 1987 | 6.4 m | 540 |
| BLACKWELL BROOK | Connecticut | Fair | 1987 | 7.9 m | 539 |
| INTERSTATE 395 | Connecticut | Poor | 1958 | 57.5 m | 537 |
| WRIGHTS BROOK | Connecticut | Poor | 1970 | 6.4 m | 535 |
| ASPETUCK RIVER | Connecticut | Good | 1957 | 18.3 m | 535 |
| E BRANCH NAUGATUCK RIVER | Connecticut | Fair | 1935 | 9.4 m | 535 |
| GAGES BROOK | Connecticut | Poor | 1980 | 9.2 m | 535 |
| GAGES BROOK | Connecticut | Poor | 1980 | 7.3 m | 535 |
| TUCKER BROOK | Connecticut | Good | 2005 | 9.4 m | 530 |
| DRAINAGE | Connecticut | Fair | 1998 | 19.8 m | 530 |
| EAST LAKE BROOK | Connecticut | Good | 2010 | 6.6 m | 530 |
| NAUGATUCK RIVER | Connecticut | Good | 2011 | 65.8 m | 530 |
| GREAT BROOK | Connecticut | Good | 2018 | 9.4 m | 530 |
| PACHAUG RIVER | Connecticut | Good | 2013 | 31.1 m | 529 |
| QUANDUCK BROOK | Connecticut | Good | 1950 | 14.0 m | 528 |
| FRENCH RIVER | Connecticut | Good | 1989 | 32.3 m | 528 |
| WILLIMANTIC RIVER | Connecticut | Fair | 1900 | 42.1 m | 527 |
| OLD TANNERY BROOK | Connecticut | Fair | 2010 | 6.1 m | 525 |
| JEREMY RIVER | Connecticut | Good | 2017 | 8.7 m | 525 |
| BRISTOL RESERVOIR SPL | Connecticut | Fair | 1940 | 19.8 m | 523 |
| POND BROOK | Connecticut | Good | 2008 | 12.8 m | 520 |
| DICKERSON CREEK | Connecticut | Fair | 1978 | 11.9 m | 520 |
| POOTATUCK RIVER | Connecticut | Fair | 1975 | 8.3 m | 520 |
| BANTAM RIVER | Connecticut | Good | 2017 | 28.1 m | 520 |
| GULF STREAM | Connecticut | Fair | 1910 | 8.5 m | 520 |
| LITTLE JACKS BROOK | Connecticut | Good | 1934 | 7.3 m | 518 |
| WEST ASPETUCK RIVER | Connecticut | Poor | 1983 | 9.8 m | 516 |
| STONY BROOK | Connecticut | Fair | 2001 | 13.7 m | 515 |
| BANTAM RIVER | Connecticut | Fair | 1940 | 8.2 m | 515 |
| HAMMOCK RIVER | Connecticut | Poor | 1994 | 24.1 m | 510 |
| SPOONER DAM OVERFLOW | Connecticut | Fair | 1991 | 18.6 m | 506 |
| STREAM | Connecticut | Good | 2010 | 9.4 m | 505 |
| RAYMOND BROOK | Connecticut | Poor | 1956 | 8.2 m | 504 |
| BROOK | Connecticut | Fair | 1937 | 7.3 m | 500 |
| BROOK | Connecticut | Fair | 1937 | 7.3 m | 500 |
| NICKEL MINE BROOK | Connecticut | Fair | 1957 | 9.8 m | 500 |
| NAUGATUCK RAILROAD CO. | Connecticut | Good | 1955 | 13.2 m | 500 |
| TEN MILE RIVER | Connecticut | Fair | 1870 | 6.7 m | 500 |
| LITTLE RIVER | Connecticut | Fair | 1921 | 14.0 m | 500 |
| SILVERMINE RIVER | Connecticut | Fair | 1988 | 9.8 m | 500 |
| METRO-NORTH RAILROAD | Connecticut | Fair | 1991 | 14.0 m | 500 |
| POWER STATION CANAL | Connecticut | Good | 1991 | 10.7 m | 500 |
| QUANDUCK BROOK | Connecticut | Good | 1940 | 16.8 m | 499 |
| INTERSTATE-395 | Connecticut | Fair | 1958 | 55.6 m | 498 |
| BLACKBERRY RIVER | Connecticut | Good | 1937 | 8.8 m | 498 |
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.