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 |
|---|---|---|---|---|---|
| B.CUTOFF | Louisiana | Fair | 1976 | 53.3 m | 14,769 |
| W FORK CALCASIEU RIVER | Louisiana | Poor | 1968 | 190.2 m | 14,767 |
| MO PACIFIC RR | Louisiana | Fair | 1966 | 424.6 m | 14,751 |
| BAYOU TERREBONNE | Louisiana | Good | 1994 | 36.6 m | 14,700 |
| ABITA RIVER | Louisiana | Good | 1975 | 76.8 m | 14,668 |
| BAYOU BLACK | Louisiana | Fair | 2003 | 10.7 m | 14,665 |
| Anselm Coulee | Louisiana | Good | 2019 | 105.2 m | 14,643 |
| BEAVER BAYOU | Louisiana | Fair | 1955 | 9.8 m | 14,635 |
| DRAIN | Louisiana | Fair | 1932 | 11.3 m | 14,613 |
| RR/US 90(CHEF HWY) | Louisiana | Good | 1992 | 798.0 m | 14,600 |
| I-49 | Louisiana | Good | 1986 | 97.5 m | 14,600 |
| BAYOU JACK | Louisiana | Fair | 1969 | 9.1 m | 14,586 |
| SIBLEY LAKE | Louisiana | Fair | 1969 | 201.8 m | 14,586 |
| COULEE ILE DES CANNES | Louisiana | Good | 1996 | 36.6 m | 14,524 |
| JONES CREEK | Louisiana | Fair | 1998 | 36.6 m | 14,523 |
| LASALLE COULEE | Louisiana | Fair | 1931 | 10.4 m | 14,501 |
| PERKINS RD OFF RAMP | Louisiana | Fair | 1964 | 171.6 m | 14,496 |
| STREAM NO NAME | Louisiana | Fair | 1952 | 11.9 m | 14,467 |
| BAYOU CHOLPE | Louisiana | Good | 1996 | 48.8 m | 14,467 |
| FLAT CREEK | Louisiana | Good | 1979 | 61.0 m | 14,458 |
| SALES BRANCH | Louisiana | Fair | 1975 | 54.9 m | 14,458 |
| BAYOU PIERRE | Louisiana | Fair | 1985 | 46.0 m | 14,451 |
| YOUNGS BAYOU | Louisiana | Fair | 1974 | 36.6 m | 14,431 |
| DRAUGHAN CREEK | Louisiana | Fair | 1967 | 23.2 m | 14,420 |
| CREEK | Louisiana | Good | 1930 | 8.5 m | 14,420 |
| FLAT CREEK | Louisiana | Good | 1981 | 61.0 m | 14,420 |
| E.Grolee St/MPRR | Louisiana | Good | 1983 | 405.1 m | 14,400 |
| DRAIN | Louisiana | Fair | 1930 | 8.8 m | 14,365 |
| PASS MANCHAC | Louisiana | Fair | 1977 | 930.2 m | 14,300 |
| LA1 B.LAFOURCHE LA 308 | Louisiana | Good | 1976 | 984.8 m | 14,300 |
| LA308 B.LAFOURCHE LA1 | Louisiana | Good | 1976 | 1,015.3 m | 14,300 |
| DITCH | Louisiana | Good | 1989 | 7.6 m | 14,299 |
| ST LOUIS CANAL | Louisiana | Fair | 1959 | 23.2 m | 14,232 |
| BAYOU MARIA RELIEF | Louisiana | Good | 1994 | 9.8 m | 14,124 |
| CLEAR RUN CREEK | Louisiana | Fair | 1971 | 13.1 m | 14,124 |
| BAYOU MARIA | Louisiana | Good | 1994 | 61.0 m | 14,124 |
| DRAIN | Louisiana | Fair | 2006 | 7.6 m | 14,120 |
| DRAIN | Louisiana | Good | 2006 | 8.5 m | 14,120 |
| ABITA RIVER | Louisiana | Fair | 1972 | 35.1 m | 14,110 |
| LITTLE CREEK | Louisiana | Fair | 1972 | 17.7 m | 14,110 |
| CHINCHUBA BRANCH | Louisiana | Fair | 1972 | 23.2 m | 14,110 |
| DRAIN | Louisiana | Fair | 1972 | 17.7 m | 14,110 |
| REDWOOD CREEK | Louisiana | Fair | 1965 | 92.0 m | 14,102 |
| ATCHAFALAYA FLDWY | Louisiana | Poor | 1961 | 1,214.3 m | 14,088 |
| MACKS BAYOU | Louisiana | Good | 1986 | 23.2 m | 14,078 |
| TRBY TO BRUSH BAYOU | Louisiana | Good | 1983 | 8.8 m | 14,042 |
| LENA-FLATWOODS RD. | Louisiana | Good | 1987 | 64.9 m | 14,042 |
| CHERRY CREEK | Louisiana | Good | 1984 | 8.8 m | 14,042 |
| LINWOOD AVE TRBY TO BRUS | Louisiana | Good | 1983 | 6.7 m | 14,042 |
| CARNAHAN CREEK | Louisiana | Good | 1987 | 49.1 m | 14,042 |
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.