Browse Bridge Database
12,684 bridges in the FHWA National Bridge Inventory in Louisiana.
National Bridge Inventory Database
Browse 12,684 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 |
|---|---|---|---|---|---|
| CYPRESS BAYOU | Louisiana | Fair | 1973 | 124.1 m | 7,065 |
| DRAIN | Louisiana | Fair | 1970 | 10.4 m | 7,049 |
| LA45;LA303;ICWW | Louisiana | Fair | 1976 | 1,409.4 m | 7,042 |
| Bayou Queue De Tortue | Louisiana | Fair | 1934 | 7.9 m | 7,042 |
| LA SOUTHERN RR | Louisiana | Fair | 1957 | 281.6 m | 7,021 |
| LA 611-9 & JOHNSON ST | Louisiana | Fair | 1957 | 189.3 m | 7,021 |
| BEAVER CREEK | Louisiana | Fair | 1984 | 11.9 m | 7,015 |
| Loyola Dr | Louisiana | Good | 2023 | 908.0 m | 7,010 |
| Red Chute Bayou | Louisiana | Fair | 2013 | 61.0 m | 7,000 |
| CONCIENNE CANAL | Louisiana | Fair | 1952 | 40.8 m | 6,998 |
| DRAIN | Louisiana | Fair | 1954 | 7.9 m | 6,981 |
| BAYOU | Louisiana | Good | 1994 | 36.6 m | 6,976 |
| BAYOU | Louisiana | Good | 1994 | 42.7 m | 6,976 |
| BAYOU | Louisiana | Good | 1994 | 36.6 m | 6,976 |
| BAYOU | Louisiana | Good | 1994 | 11.6 m | 6,976 |
| BAYOU | Louisiana | Fair | 1994 | 10.7 m | 6,976 |
| BAYOU CARPE | Louisiana | Fair | 1994 | 7.0 m | 6,976 |
| DRAINAGE | Louisiana | Fair | 1994 | 7.9 m | 6,976 |
| BRUSH BAYOU | Louisiana | Fair | 1988 | 6.7 m | 6,960 |
| CREEK | Louisiana | Fair | 1955 | 17.7 m | 6,957 |
| RAMBIN BAYOU | Louisiana | Fair | 2000 | 36.6 m | 6,956 |
| GREYS CREEK | Louisiana | Good | 2011 | 46.0 m | 6,952 |
| CALCASIEU RIVER | Louisiana | Good | 2011 | 378.0 m | 6,952 |
| FLOCTAW CREEK | Louisiana | Good | 2011 | 76.5 m | 6,952 |
| WEST ANACOCO CREEK | Louisiana | Good | 1994 | 85.3 m | 6,952 |
| BAYOU ZOURIE | Louisiana | Fair | 1978 | 69.2 m | 6,952 |
| CASTOR CREEK RELIEF | Louisiana | Fair | 1975 | 61.3 m | 6,952 |
| CYPRESS BAYOU | Louisiana | Good | 2013 | 153.0 m | 6,952 |
| VERNON LAKE | Louisiana | Good | 1967 | 110.3 m | 6,952 |
| PRAIRIE CREEK SOUTH RDWY | Louisiana | Good | 1986 | 110.3 m | 6,952 |
| WEST FORK CREEK | Louisiana | Good | 2003 | 42.1 m | 6,952 |
| EAST FORK CREEK | Louisiana | Good | 2005 | 42.1 m | 6,952 |
| FARMER CREEK | Louisiana | Good | 2003 | 42.1 m | 6,952 |
| THORNY BRANCH | Louisiana | Good | 1983 | 24.4 m | 6,942 |
| BAYOU FLAGON | Louisiana | Good | 1969 | 61.0 m | 6,942 |
| FLAGON CREEK | Louisiana | Good | 1983 | 91.4 m | 6,942 |
| BEAVER CREEK | Louisiana | Good | 1983 | 54.9 m | 6,942 |
| BEAVER CREEK RELIEF | Louisiana | Good | 1983 | 30.5 m | 6,942 |
| MILL CREEK RELIEF | Louisiana | Good | 1983 | 36.6 m | 6,942 |
| MILL CREEK RELIEF | Louisiana | Good | 1986 | 24.4 m | 6,942 |
| SERPENT BAYOU | Louisiana | Fair | 1932 | 10.1 m | 6,929 |
| DRAIN | Louisiana | Fair | 1957 | 7.6 m | 6,929 |
| KINDER CANAL | Louisiana | Fair | 1932 | 7.0 m | 6,929 |
| CREEK | Louisiana | Good | 1959 | 8.5 m | 6,905 |
| WEST PRONG HEMP CREEK | Louisiana | Good | 1956 | 24.4 m | 6,905 |
| LITTLE TURKEY CREEK | Louisiana | Good | 1994 | 24.4 m | 6,896 |
| STOKES BAYOU | Louisiana | Fair | 1979 | 18.3 m | 6,896 |
| ASH SLOUGH RELIEF | Louisiana | Good | 1988 | 24.4 m | 6,896 |
| ASH SLOUGH | Louisiana | Good | 1988 | 24.4 m | 6,896 |
| DRAIN | Louisiana | Good | 1980 | 9.8 m | 6,891 |
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.