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 |
|---|---|---|---|---|---|
| NORWALK RIVER | Connecticut | Fair | 1953 | 17.4 m | 103 |
| PUMPKIN GROUND BROOK | Connecticut | Fair | 1976 | 6.4 m | 103 |
| PAWCATUCK RIVER | Connecticut | Good | 1968 | 38.3 m | 102 |
| BROOK | Connecticut | Poor | 1970 | 7.9 m | 102 |
| Farm River | Connecticut | Good | 2015 | 22.3 m | 101 |
| SANDY BROOK | Connecticut | Fair | 2015 | 17.4 m | 100 |
| BLACKBERRY RIVER | Connecticut | Poor | 1957 | 14.3 m | 100 |
| MILL BROOK | Connecticut | Good | 2012 | 8.2 m | 100 |
| TOM BROOK | Connecticut | Fair | 1985 | 10.7 m | 100 |
| MASHEPAUG RIVER | Connecticut | Good | 2008 | 11.5 m | 100 |
| QUANDUCK BROOK | Connecticut | Fair | 2018 | 10.4 m | 100 |
| UNNAMED STREAM | Connecticut | Good | 2006 | 31.8 m | 100 |
| PORTER BROOK | Connecticut | Good | 1985 | 6.4 m | 99 |
| NONNEWAUG BROOK | Connecticut | Poor | 1956 | 9.4 m | 95 |
| BALLWALL BROOK | Connecticut | Fair | 1978 | 9.4 m | 94 |
| EIGHT MILE RIVER | Connecticut | Good | 2006 | 11.9 m | 93 |
| EIGHT MILE RIVER | Connecticut | Good | 2005 | 11.9 m | 87 |
| STREAM | Connecticut | Poor | 1975 | 6.3 m | 87 |
| NATCHAUG RIVER | Connecticut | Fair | 1997 | 32.3 m | 85 |
| LEADMINE BROOK | Connecticut | Fair | 1989 | 10.4 m | 85 |
| STREAM | Connecticut | Good | 2004 | 36.3 m | 83 |
| PROV & WORC RAILROAD | Connecticut | Fair | 1989 | 48.0 m | 82 |
| BALL POND BROOK | Connecticut | Good | 2010 | 8.5 m | 80 |
| SANDY BROOK | Connecticut | Fair | 1996 | 24.7 m | 80 |
| WACHOCASTINOOK BROOK | Connecticut | Fair | 1957 | 11.3 m | 80 |
| EAST ASPETUCK RIVER | Connecticut | Fair | 1957 | 14.0 m | 78 |
| HALL MEADOW BROOK | Connecticut | Poor | 1999 | 6.7 m | 77 |
| ROUTE 9 SOUTHBOUND | Connecticut | Good | 1988 | 38.0 m | 76 |
| SUCKER BROOK | Connecticut | Fair | 1998 | 6.4 m | 76 |
| BULL MOUNTAIN BROOK | Connecticut | Good | 1998 | 8.4 m | 74 |
| ROUTE 9 NB & RAMP | Connecticut | Good | 1988 | 47.2 m | 71 |
| INTERSTATE-395 | Connecticut | Fair | 1967 | 98.5 m | 70 |
| NEPAUG RIVER | Connecticut | Fair | 2000 | 18.3 m | 70 |
| NORWALK RIVER | Connecticut | Good | 2024 | 16.2 m | 70 |
| STREAM | Connecticut | Fair | 1970 | 6.7 m | 70 |
| FOLLY BROOK | Connecticut | Fair | 1977 | 6.7 m | 70 |
| FENTON RIVER | Connecticut | Good | 2010 | 11.9 m | 69 |
| DECKERS BROOK | Connecticut | Good | 1970 | 7.6 m | 69 |
| E. BRANCH SHEPAUG RIVER | Connecticut | Fair | 1965 | 9.1 m | 68 |
| HOWELL BROOK | Connecticut | Fair | 2000 | 7.3 m | 67 |
| SANDY BROOK | Connecticut | Fair | 1956 | 17.4 m | 67 |
| CENTER BROOK | Connecticut | Fair | 1957 | 10.4 m | 66 |
| BUTTERNUT BROOK | Connecticut | Fair | 1992 | 7.6 m | 66 |
| FENTON BROOK | Connecticut | Fair | 1970 | 9.1 m | 65 |
| CEDAR SWAMP BROOK | Connecticut | Fair | 1956 | 10.1 m | 65 |
| ROCK BROOK | Connecticut | Good | 2019 | 15.9 m | 64 |
| BANTAM RIVER | Connecticut | Good | 2008 | 7.3 m | 64 |
| EAST ASPETUCK RIVER | Connecticut | Good | 2001 | 12.1 m | 63 |
| RIPPOWAM RIVER | Connecticut | Fair | 2005 | 19.5 m | 62 |
| HIGLEY BROOK | Connecticut | Good | 1990 | 6.1 m | 61 |
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.