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 |
|---|---|---|---|---|---|
| BLACK BAYOU | Louisiana | Poor | 1971 | 17.4 m | 7,519 |
| Goudine Bayou | Louisiana | Good | 2019 | 18.3 m | 7,519 |
| BRUSHY BAYOU | Louisiana | Fair | 1975 | 61.0 m | 7,518 |
| MOPAC RAILROAD | Louisiana | Fair | 1982 | 469.7 m | 7,514 |
| RAMOS BAYOU | Louisiana | Poor | 1932 | 142.0 m | 7,504 |
| CREEK | Louisiana | Fair | 1960 | 10.1 m | 7,500 |
| DRAIN | Louisiana | Fair | 1930 | 8.2 m | 7,499 |
| DRAIN | Louisiana | Fair | 1930 | 16.5 m | 7,499 |
| BAYOU BLACK | Louisiana | Good | 1996 | 23.2 m | 7,492 |
| BENOIT BAYOU | Louisiana | Good | 2007 | 22.9 m | 7,489 |
| BOGUE CHITTO RV RELIEF | Louisiana | Good | 1975 | 92.0 m | 7,481 |
| WRIGHTS CREEK | Louisiana | Good | 1975 | 31.1 m | 7,481 |
| BOGUE CHITTO RIVER | Louisiana | Good | 1974 | 433.4 m | 7,481 |
| OUISKI BAYOU | Louisiana | Fair | 1972 | 23.2 m | 7,455 |
| COULEE | Louisiana | Fair | 1972 | 23.2 m | 7,455 |
| BLACKWELL CREEK | Louisiana | Fair | 1966 | 30.5 m | 7,429 |
| PHILLIPS CREEK | Louisiana | Fair | 1966 | 36.6 m | 7,429 |
| PHILLIPS CREEK | Louisiana | Fair | 1966 | 36.6 m | 7,429 |
| BAYOU JULIEN | Louisiana | Fair | 1974 | 30.5 m | 7,420 |
| I-20 | Louisiana | Fair | 1968 | 76.8 m | 7,400 |
| US 71 RAMPS UP RR | Louisiana | Good | 1992 | 546.8 m | 7,400 |
| HWYS STRTS RR BAYOU | Louisiana | Fair | 1995 | 3,196.7 m | 7,400 |
| ST LOUIS CANAL | Louisiana | Fair | 1969 | 30.5 m | 7,379 |
| DRIVEWAY | Louisiana | Fair | 1957 | 178.3 m | 7,378 |
| LA 611-9 & JOHNSON ST | Louisiana | Fair | 1957 | 188.1 m | 7,378 |
| WEST TURKEY CREEK | Louisiana | Fair | 1986 | 11.6 m | 7,372 |
| ASH SLOUGH | Louisiana | Good | 1980 | 29.6 m | 7,372 |
| I-110 | Louisiana | Fair | 1968 | 89.6 m | 7,370 |
| BAYOU BLANC | Louisiana | Fair | 2001 | 60.0 m | 7,361 |
| STREETS & R.R. TRACKS | Louisiana | Fair | 1982 | 445.0 m | 7,361 |
| BLACK BAYOU TRIBUTARY | Louisiana | Good | 1988 | 10.1 m | 7,344 |
| COBURN CREEK | Louisiana | Good | 1965 | 99.1 m | 7,342 |
| CREEK | Louisiana | Good | 1944 | 9.8 m | 7,336 |
| ISLE MARRON CANAL | Louisiana | Fair | 1959 | 24.4 m | 7,329 |
| COULEE BAYOU | Louisiana | Good | 1959 | 24.4 m | 7,329 |
| PONCHATOULA CREEK | Louisiana | Fair | 1957 | 54.9 m | 7,323 |
| HOLLYWOOD CANAL | Louisiana | Fair | 1957 | 18.3 m | 7,322 |
| MCMAHON CANAL | Louisiana | Good | 1981 | 42.7 m | 7,322 |
| BAYOU FOLSE | Louisiana | Good | 1981 | 42.7 m | 7,322 |
| 40 ARPENT CANAL | Louisiana | Fair | 1952 | 24.4 m | 7,322 |
| CLAIRBORNE AVE/DUMAINE S | Louisiana | Fair | 1968 | 124.4 m | 7,322 |
| CHATLIN LAKE CANAL | Louisiana | Fair | 1963 | 53.3 m | 7,317 |
| LATANIER BAYOU | Louisiana | Fair | 1973 | 24.4 m | 7,317 |
| SELSERS CREEK | Louisiana | Fair | 1958 | 36.6 m | 7,316 |
| LITTLE PRAIRIE CREEK | Louisiana | Good | 2006 | 30.5 m | 7,277 |
| BAYOU CASTOR | Louisiana | Good | 2006 | 67.1 m | 7,277 |
| CREEK | Louisiana | Good | 1943 | 11.0 m | 7,277 |
| BAYOU | Louisiana | Fair | 2000 | 6.1 m | 7,263 |
| YOUNGS BAYOU | Louisiana | Good | 2013 | 36.6 m | 7,259 |
| TETE BAYOU | Louisiana | Good | 2008 | 8.5 m | 7,245 |
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.