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 |
|---|---|---|---|---|---|
| FRANCOIS COULEE | Louisiana | Good | 2003 | 42.1 m | 2,969 |
| LOUISIANA AVENUE | Louisiana | Good | 2003 | 416.1 m | 2,969 |
| VERMILION RIVER | Louisiana | Fair | 1970 | 116.4 m | 2,969 |
| BAYOU PAUL | Louisiana | Good | 2016 | 9.4 m | 2,969 |
| BRUSHY CREEK | Louisiana | Fair | 1976 | 46.3 m | 2,968 |
| DRAINAGE DITCH | Louisiana | Good | 1992 | 7.8 m | 2,967 |
| DRAINAGE DITCH | Louisiana | Good | 1992 | 9.8 m | 2,967 |
| Bayou Carencro | Louisiana | Fair | 1979 | 48.8 m | 2,967 |
| UNNAMED CREEK | Louisiana | Fair | 1997 | 10.1 m | 2,963 |
| COULEY CREEK | Louisiana | Good | 1997 | 30.5 m | 2,963 |
| UNNAMED CREEK | Louisiana | Good | 1997 | 10.1 m | 2,963 |
| WOLF CREEK | Louisiana | Good | 1998 | 30.5 m | 2,963 |
| SLOUGH | Louisiana | Fair | 1976 | 29.0 m | 2,958 |
| BAYOU BREAUX | Louisiana | Poor | 1969 | 11.6 m | 2,943 |
| CONOCO PHILLIPS PIPELINE | Louisiana | Good | 1995 | 7.3 m | 2,938 |
| VERDINE BAYOU | Louisiana | Fair | 1996 | 38.1 m | 2,938 |
| ICG RAILROAD | Louisiana | Good | 2024 | 88.4 m | 2,930 |
| I 20 | Louisiana | Poor | 1963 | 86.0 m | 2,930 |
| I 20 | Louisiana | Fair | 1963 | 87.5 m | 2,930 |
| WW DUNN CREEK | Louisiana | Good | 1978 | 36.6 m | 2,927 |
| CANAL | Louisiana | Good | 1999 | 23.2 m | 2,920 |
| I-20 | Louisiana | Poor | 1963 | 73.8 m | 2,920 |
| DUMMY BRANCH | Louisiana | Fair | 1980 | 76.2 m | 2,917 |
| LEES CREEK | Louisiana | Fair | 1980 | 53.3 m | 2,917 |
| SALS BRANCH | Louisiana | Fair | 1942 | 29.6 m | 2,917 |
| LITTLE BOGUE FALAYA RIV | Louisiana | Good | 1972 | 54.9 m | 2,916 |
| BAYOU PETIT CAILLOU | Louisiana | Fair | 2010 | 48.2 m | 2,912 |
| CREEK | Louisiana | Good | 2006 | 12.2 m | 2,910 |
| CREEK | Louisiana | Fair | 1969 | 11.9 m | 2,910 |
| PUMPING STATION BRIDGE | Louisiana | Good | 1998 | 27.4 m | 2,905 |
| I 20 | Louisiana | Fair | 1983 | 100.6 m | 2,900 |
| CANAL | Louisiana | Good | 2001 | 7.3 m | 2,899 |
| CANAL | Louisiana | Good | 1992 | 30.5 m | 2,899 |
| CREEK | Louisiana | Fair | 1931 | 7.0 m | 2,899 |
| MERMENTAU RIVER | Louisiana | Good | 1980 | 619.0 m | 2,899 |
| CREEK | Louisiana | Poor | 1960 | 17.7 m | 2,899 |
| LONG DITCH | Louisiana | Poor | 1958 | 17.4 m | 2,899 |
| TURF BAYOU | Louisiana | Poor | 1958 | 34.7 m | 2,899 |
| HERBERT CANAL | Louisiana | Poor | 1957 | 18.0 m | 2,899 |
| SEVENTH WARD CANAL | Louisiana | Fair | 1957 | 29.6 m | 2,899 |
| CANAL | Louisiana | Poor | 1957 | 11.6 m | 2,899 |
| BAYOU MARINGOUIN | Louisiana | Good | 1962 | 36.6 m | 2,899 |
| INTRACOASTAL WATERWAY | Louisiana | Fair | 1976 | 1,156.7 m | 2,899 |
| CANAL | Louisiana | Fair | 2000 | 9.1 m | 2,899 |
| MARSH DITCH | Louisiana | Fair | 1958 | 17.4 m | 2,899 |
| MIDDLE CANAL | Louisiana | Poor | 1958 | 17.4 m | 2,899 |
| MILLER CANAL | Louisiana | Poor | 1958 | 17.4 m | 2,899 |
| EAST RELEIF | Louisiana | Poor | 1958 | 17.4 m | 2,899 |
| VERMILION R PERRY | Louisiana | Fair | 1955 | 116.7 m | 2,899 |
| CANAL | Louisiana | Good | 2002 | 7.9 m | 2,899 |
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.