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 |
|---|---|---|---|---|---|
| MILL BROOK | Connecticut | Fair | 1943 | 9.4 m | 72,600 |
| SR 846 NORTHBOUND | Connecticut | Fair | 1965 | 29.3 m | 72,500 |
| COLONY STREET | Connecticut | Fair | 1971 | 49.4 m | 72,400 |
| SILVERMINE AVENUE | Connecticut | Fair | 1938 | 11.9 m | 72,400 |
| LEIBERT ROAD | Connecticut | Fair | 1991 | 42.1 m | 72,400 |
| MILL RIVER | Connecticut | Good | 1943 | 23.8 m | 72,300 |
| MATTABESSET RIVER | Connecticut | Fair | 1962 | 13.0 m | 72,200 |
| NECK RIVER | Connecticut | Good | 1957 | 6.4 m | 72,100 |
| MIDDLETOWN AVENUE | Connecticut | Fair | 1964 | 58.6 m | 71,900 |
| ROUTE 99 | Connecticut | Fair | 1964 | 61.1 m | 71,700 |
| ROUTE 99 | Connecticut | Fair | 1964 | 66.1 m | 71,700 |
| CIDER MILL ROAD | Connecticut | Fair | 1954 | 11.4 m | 71,600 |
| MIDDLETOWN AVENUE | Connecticut | Fair | 1964 | 61.6 m | 71,500 |
| MILLER AVENUE | Connecticut | Fair | 1946 | 14.9 m | 71,100 |
| ROUTE 178 (PARK AVENUE) | Connecticut | Good | 1990 | 38.3 m | 70,950 |
| ROUTE 178 (PARK AVENUE) | Connecticut | Good | 1991 | 38.3 m | 70,950 |
| WESTON STREET | Connecticut | Fair | 1990 | 26.5 m | 70,800 |
| IVY STREET | Connecticut | Fair | 1958 | 16.8 m | 70,500 |
| CHESTNUT STREET | Connecticut | Good | 1958 | 18.3 m | 70,500 |
| MILL PLAIN ROAD | Connecticut | Fair | 1958 | 16.5 m | 70,500 |
| BRANFORD RIVER | Connecticut | Good | 1958 | 10.4 m | 70,500 |
| AMTRAK YARD & STATE ST | Connecticut | Fair | 1970 | 130.1 m | 70,400 |
| CENTER STREET | Connecticut | Fair | 1971 | 25.9 m | 70,400 |
| ROUTE 106 | Connecticut | Fair | 1937 | 14.6 m | 70,400 |
| HUBBARD BROOK | Connecticut | Good | 1964 | 9.4 m | 70,300 |
| TAMARACK SWAMP | Connecticut | Fair | 1968 | 427.2 m | 70,100 |
| MILL RIVER | Connecticut | Good | 2010 | 13.4 m | 70,000 |
| ROUTE 220 | Connecticut | Fair | 1960 | 38.7 m | 70,000 |
| ROUTE 123 | Connecticut | Fair | 1937 | 20.1 m | 69,900 |
| SR 516 - WILLOW ST. EXT. | Connecticut | Fair | 1962 | 21.0 m | 69,900 |
| BROOK | Connecticut | Good | 1982 | 6.7 m | 69,900 |
| CONNOLLY PKWY | Connecticut | Fair | 1948 | 175.0 m | 69,700 |
| BASS BROOK | Connecticut | Fair | 1985 | 8.8 m | 69,600 |
| LYME STREET | Connecticut | Fair | 1948 | 37.8 m | 69,600 |
| ROUTE 172 | Connecticut | Fair | 1963 | 39.6 m | 69,400 |
| SAW MILL ROAD | Connecticut | Fair | 1962 | 14.3 m | 69,200 |
| BROAD ST I-84 RAMP 191 | Connecticut | Fair | 1966 | 296.9 m | 69,100 |
| EAST STREET | Connecticut | Fair | 1965 | 32.3 m | 69,000 |
| OLIVE STREET (ABANDONED) | Connecticut | Fair | 1967 | 39.0 m | 68,900 |
| HAMILTON STREET | Connecticut | Poor | 1967 | 36.9 m | 68,900 |
| HAMILTON STREET | Connecticut | Fair | 1967 | 36.9 m | 68,900 |
| PARK STREET | Connecticut | Fair | 1969 | 68.9 m | 68,900 |
| SUTTON AVENUE | Connecticut | Good | 1951 | 17.4 m | 68,600 |
| SR 717 (DIXWELL AVE) | Connecticut | Fair | 1946 | 21.6 m | 68,600 |
| AMTRAK RAILROAD | Connecticut | Fair | 1988 | 47.6 m | 68,500 |
| WESTON STREET | Connecticut | Good | 1991 | 26.5 m | 68,400 |
| WEPAWAUG RIVER | Connecticut | Fair | 1949 | 15.9 m | 68,300 |
| ROUTE 63 | Connecticut | Fair | 1948 | 22.2 m | 68,300 |
| FIVE MILE RIVER | Connecticut | Fair | 1937 | 12.5 m | 68,300 |
| TOELLES ROAD | Connecticut | Good | 1947 | 12.8 m | 68,200 |
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.