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 |
|---|---|---|---|---|---|
| OCKLEY DITCH | Louisiana | Fair | 1996 | 24.4 m | 2,000 |
| DUNCAN CANAL | Louisiana | Good | 2005 | 50.9 m | 2,000 |
| L.BOGUE FALAYA | Louisiana | Good | 1960 | 48.8 m | 2,000 |
| SAULS CANAL | Louisiana | Good | 1988 | 23.2 m | 2,000 |
| LANGLINOIS DITCH | Louisiana | Fair | 1963 | 8.5 m | 2,000 |
| CREEK | Louisiana | Fair | 1963 | 8.2 m | 2,000 |
| COUSINS CANAL | Louisiana | Fair | 2005 | 67.1 m | 2,000 |
| L.BOGUE FALAYA | Louisiana | Good | 1960 | 54.9 m | 2,000 |
| Tall Timbers Lateral | Louisiana | Good | 2003 | 7.3 m | 2,000 |
| BAYOU FATMA | Louisiana | Fair | 1960 | 17.4 m | 2,000 |
| AMES CANAL | Louisiana | Fair | 1970 | 40.5 m | 2,000 |
| MACKS BAYOU | Louisiana | Fair | 1998 | 48.8 m | 2,000 |
| GREEN TERRACE DITCH | Louisiana | Fair | 1970 | 7.9 m | 2,000 |
| CRAWFISH CANAL | Louisiana | Fair | 1989 | 23.2 m | 2,000 |
| BAYOU FATMA | Louisiana | Fair | 1988 | 23.2 m | 2,000 |
| SONIAT CANAL | Louisiana | Good | 2017 | 48.8 m | 2,000 |
| AMES CANAL | Louisiana | Good | 1970 | 40.5 m | 2,000 |
| FLAT RIVER | Louisiana | Fair | 1951 | 34.7 m | 2,000 |
| W BAYOU CHENE | Louisiana | Fair | 1965 | 61.0 m | 2,000 |
| BAYOU COURTBLEAU | Louisiana | Good | 2009 | 73.2 m | 2,000 |
| MINE COULEE | Louisiana | Fair | 1968 | 30.8 m | 2,000 |
| COULEE | Louisiana | Fair | 1988 | 14.9 m | 2,000 |
| CANAL NO.5 | Louisiana | Good | 1970 | 8.2 m | 2,000 |
| DRAINAGE BAYOU | Louisiana | Poor | 1974 | 9.1 m | 2,000 |
| TIGER BAYOU | Louisiana | Poor | 1983 | 17.4 m | 2,000 |
| FRONTAGE RD. UP RR | Louisiana | Good | 1996 | 294.4 m | 2,000 |
| GILMER BAYOU | Louisiana | Good | 1969 | 11.3 m | 2,000 |
| HORNSBY CREEK | Louisiana | Fair | 2018 | 42.7 m | 2,000 |
| ASH SLOUGH | Louisiana | Good | 1994 | 23.2 m | 2,000 |
| DRAINAGE CANAL | Louisiana | Fair | 1971 | 9.8 m | 2,000 |
| Chatlin Lake Canal | Louisiana | Fair | 1984 | 27.7 m | 2,000 |
| CANAL NUMBER 5 | Louisiana | Good | 1960 | 7.9 m | 2,000 |
| YOUNGS NORTH COULEE | Louisiana | Good | 1970 | 8.5 m | 2,000 |
| MID BAYOU CHENE | Louisiana | Fair | 1965 | 36.6 m | 2,000 |
| METAIRIE RELIEF CANAL | Louisiana | Good | 1993 | 33.2 m | 2,000 |
| RED CHUTE BAYOU | Louisiana | Good | 2005 | 85.3 m | 2,000 |
| GRAND CROSS CANAL | Louisiana | Good | 1984 | 17.7 m | 2,000 |
| THREE MILE CANAL | Louisiana | Good | 1964 | 14.6 m | 2,000 |
| BAYOU | Louisiana | Fair | 1963 | 11.9 m | 2,000 |
| BAYOU TESSON | Louisiana | Good | 1997 | 11.6 m | 2,000 |
| CANAL NO. 6 | Louisiana | Fair | 1970 | 20.7 m | 2,000 |
| YOUNGS BAYOU | Louisiana | Fair | 1961 | 15.2 m | 2,000 |
| SEGNETTE BAYOU | Louisiana | Good | 1977 | 751.9 m | 2,000 |
| SOUTH KENNER CANAL | Louisiana | Good | 1988 | 23.2 m | 2,000 |
| YOUNGS BAYOU | Louisiana | Fair | 1972 | 15.2 m | 2,000 |
| CANAL NO. 5 | Louisiana | Good | 1960 | 7.3 m | 2,000 |
| CLEAR LAKE | Louisiana | Fair | 1993 | 36.6 m | 2,000 |
| DRAINAGE CANAL | Louisiana | Good | 1993 | 24.4 m | 2,000 |
| CANAL NO 5 | Louisiana | Good | 1970 | 7.9 m | 2,000 |
| DRAINAGE CANAL | Louisiana | Fair | 1974 | 9.1 m | 2,000 |
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.