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 |
|---|---|---|---|---|---|
| DRAIN | Louisiana | Fair | 1992 | 10.4 m | 2,434 |
| S. Eden Isles Canal | Louisiana | Good | 2019 | 18.3 m | 2,433 |
| CAMP CREEK | Louisiana | Fair | 1955 | 10.7 m | 2,423 |
| LA SALLE COULEE | Louisiana | Good | 1998 | 17.4 m | 2,420 |
| I-20 (BARNES OPASS) | Louisiana | Fair | 1975 | 84.7 m | 2,420 |
| RODERE CANAL | Louisiana | Fair | 1953 | 22.6 m | 2,419 |
| ICWW / BAYOU BLUE | Louisiana | Fair | 1972 | 97.5 m | 2,407 |
| COOL CREEK | Louisiana | Good | 1935 | 45.7 m | 2,403 |
| CHUBBY CREEK | Louisiana | Fair | 1956 | 8.5 m | 2,403 |
| DRAIN | Louisiana | Good | 1956 | 7.3 m | 2,403 |
| TERRYS CREEK | Louisiana | Fair | 1935 | 100.6 m | 2,403 |
| DRAIN | Louisiana | Good | 1956 | 32.6 m | 2,403 |
| SKULL CREEK | Louisiana | Good | 1963 | 30.5 m | 2,400 |
| PATRIOT CANAL | Louisiana | Good | 2015 | 12.8 m | 2,400 |
| PATRIOT CANAL | Louisiana | Good | 2015 | 12.8 m | 2,400 |
| COULEE | Louisiana | Good | 1968 | 7.9 m | 2,400 |
| ILE DES CANNES COULEE | Louisiana | Fair | 1977 | 23.2 m | 2,400 |
| TRIB. TO BOGGY BAYOU | Louisiana | Good | 2005 | 7.6 m | 2,400 |
| COULEE | Louisiana | Fair | 1986 | 8.8 m | 2,400 |
| I-20 | Louisiana | Poor | 1964 | 69.2 m | 2,397 |
| CROSS BAYOU BRIDGE | Louisiana | Fair | 1982 | 103.6 m | 2,397 |
| NORTHDALE CANAL | Louisiana | Poor | 1960 | 10.7 m | 2,397 |
| S FORK CROSS B | Louisiana | Poor | 1965 | 46.3 m | 2,397 |
| GRAND CAILLOU BAYOU | Louisiana | Poor | 1960 | 48.2 m | 2,395 |
| INDIAN BRANCH | Louisiana | Fair | 1987 | 14.3 m | 2,394 |
| W FORK THOMPSON C | Louisiana | Fair | 1959 | 128.6 m | 2,392 |
| VAUGHN CREEK | Louisiana | Fair | 1959 | 73.8 m | 2,392 |
| NEGREET-CREEK | Louisiana | Fair | 1976 | 40.5 m | 2,391 |
| BAYOU TERREBONNE | Louisiana | Good | 2013 | 40.5 m | 2,390 |
| I-20 | Louisiana | Fair | 1970 | 81.7 m | 2,390 |
| BLACK BAYOU | Louisiana | Poor | 1969 | 23.2 m | 2,388 |
| DRAIN | Louisiana | Fair | 1999 | 7.3 m | 2,385 |
| LEBLEU DITCH | Louisiana | Fair | 1976 | 17.4 m | 2,383 |
| BURT BAYOU | Louisiana | Fair | 1976 | 34.7 m | 2,383 |
| DRAINAGE CANAL | Louisiana | Fair | 1951 | 24.4 m | 2,382 |
| FLAT SLOUGH BRIDGE | Louisiana | Fair | 1954 | 18.3 m | 2,382 |
| SLOUGH | Louisiana | Fair | 1954 | 36.6 m | 2,382 |
| BLACK STEEP BAYOU | Louisiana | Fair | 1954 | 24.4 m | 2,382 |
| BAYOU | Louisiana | Fair | 1954 | 115.8 m | 2,382 |
| BAYOU QUEUE DE TORTUE | Louisiana | Good | 1983 | 30.5 m | 2,382 |
| B LAFOURCHE RELIEF | Louisiana | Fair | 1954 | 54.9 m | 2,382 |
| BAYOU LAFOUCHE | Louisiana | Poor | 1953 | 146.9 m | 2,382 |
| BAYOU LAFOURCHE | Louisiana | Poor | 1940 | 76.2 m | 2,380 |
| SALINE BAYOU | Louisiana | Fair | 1995 | 24.4 m | 2,378 |
| FALGOUT CANAL | Louisiana | Poor | 1964 | 61.6 m | 2,378 |
| SALINE BAYOU RELIEF | Louisiana | Fair | 1995 | 24.4 m | 2,378 |
| ALLIGATOR BAYOU | Louisiana | Poor | 1936 | 49.4 m | 2,376 |
| BOONE CREEK | Louisiana | Good | 2019 | 24.4 m | 2,376 |
| FLAT RIVER | Louisiana | Good | 2003 | 61.0 m | 2,376 |
| FIFI BAYOU | Louisiana | Good | 2021 | 61.0 m | 2,376 |
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.