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 |
|---|---|---|---|---|---|
| DEEP RIVER | Connecticut | Good | 1984 | 10.7 m | 5,000 |
| ROUTE 15 | Connecticut | Fair | 1946 | 47.9 m | 5,000 |
| SAWMILL BROOK | Connecticut | Good | 1973 | 7.6 m | 5,000 |
| INTERSTATE 84 WB | Connecticut | Fair | 1973 | 140.2 m | 5,000 |
| MAIN STREET NO. 3 | Connecticut | Fair | 1970 | 16.0 m | 5,000 |
| I-84 RAMP 191 & 06871T | Connecticut | Fair | 1987 | 183.6 m | 5,000 |
| HOUSATONIC RR | Connecticut | Fair | 1936 | 55.5 m | 5,000 |
| COPPER MINE BROOK | Connecticut | Fair | 2007 | 11.3 m | 4,940 |
| TURKEY BROOK | Connecticut | Good | 2012 | 8.8 m | 4,914 |
| METRO-NORTH & NORWALK RV | Connecticut | Fair | 1965 | 80.5 m | 4,909 |
| GULF STREAM | Connecticut | Fair | 1957 | 10.4 m | 4,900 |
| I-84 TR 839 & TR 841 | Connecticut | Fair | 1964 | 57.6 m | 4,900 |
| STONY BROOK | Connecticut | Good | 1964 | 9.4 m | 4,900 |
| DARLIN STREET | Connecticut | Fair | 1963 | 17.5 m | 4,900 |
| DARLIN STREET | Connecticut | Fair | 1963 | 17.5 m | 4,900 |
| WILLIAMS STREET NO 1 | Connecticut | Fair | 1975 | 48.2 m | 4,900 |
| ROUTE 66 | Connecticut | Fair | 1965 | 128.8 m | 4,900 |
| I-84 & MCMAHON STREET | Connecticut | Fair | 1965 | 61.3 m | 4,900 |
| I-84 WB & SR 536 | Connecticut | Poor | 1969 | 154.8 m | 4,900 |
| ROUTE 72 SOUTHBOUND | Connecticut | Fair | 1969 | 80.7 m | 4,900 |
| INTERSTATE-84 | Connecticut | Fair | 1978 | 84.1 m | 4,900 |
| E BRANCH NAUGATUCK RIVER | Connecticut | Fair | 1988 | 20.4 m | 4,900 |
| QUINNIPIAC RIVER | Connecticut | Poor | 1963 | 53.3 m | 4,900 |
| ROUTE 8 | Connecticut | Fair | 1971 | 81.4 m | 4,900 |
| FRESHWATER BROOK | Connecticut | Good | 1999 | 8.5 m | 4,876 |
| QUANDUCK BROOK | Connecticut | Good | 1958 | 7.6 m | 4,800 |
| PROV & WORC RAILROAD | Connecticut | Fair | 1930 | 62.1 m | 4,800 |
| MERRICK BROOK | Connecticut | Good | 2020 | 17.7 m | 4,800 |
| SHEPAUG RIVER | Connecticut | Poor | 1957 | 56.7 m | 4,800 |
| PATTACONK BROOK | Connecticut | Good | 1991 | 7.6 m | 4,800 |
| CHATFIELD HOLLOW BROOK | Connecticut | Fair | 1935 | 7.0 m | 4,800 |
| I-84 EB | Connecticut | Good | 2005 | 75.3 m | 4,800 |
| ABANDONED RAILROAD | Connecticut | Fair | 1960 | 38.1 m | 4,800 |
| QUINNIPIAC RIVER | Connecticut | Fair | 1963 | 40.5 m | 4,800 |
| CANAL ST RAIL TO TRAIL | Connecticut | Fair | 1963 | 65.8 m | 4,800 |
| ROUTE 15 SB TR 810 | Connecticut | Fair | 1983 | 20.4 m | 4,800 |
| LINDSLEY BROOK | Connecticut | Good | 2013 | 6.7 m | 4,800 |
| MILL BROOK | Connecticut | Fair | 1870 | 7.3 m | 4,800 |
| ROUTE 8 NB TR 801 | Connecticut | Fair | 1983 | 32.3 m | 4,800 |
| FARMINGTON CANAL GREENWA | Connecticut | Fair | 1942 | 11.6 m | 4,800 |
| PAN AM RAILROAD | Connecticut | Fair | 1937 | 20.1 m | 4,800 |
| NOROTON RIVER | Connecticut | Fair | 1948 | 7.3 m | 4,795 |
| QUINNIPIAC RIVER | Connecticut | Fair | 2000 | 17.7 m | 4,784 |
| HOUSATONIC RR | Connecticut | Fair | 1910 | 34.4 m | 4,780 |
| COPPER MINE BROOK | Connecticut | Good | 2021 | 16.4 m | 4,763 |
| FIVE MILE RIVER | Connecticut | Good | 1995 | 17.1 m | 4,747 |
| CONN. SOUTHERN RAILROAD | Connecticut | Fair | 1909 | 31.1 m | 4,730 |
| INTERSTATE 95 | Connecticut | Fair | 1957 | 37.6 m | 4,727 |
| ROUTE 9 | Connecticut | Fair | 1967 | 123.7 m | 4,700 |
| ROUTE 9 | Connecticut | Fair | 1988 | 129.7 m | 4,700 |
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.