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 |
|---|---|---|---|---|---|
| DRAINAGE DITCH | Louisiana | Fair | 1973 | 13.7 m | 5,157 |
| DRAINAGE DITCH | Louisiana | Fair | 1973 | 8.8 m | 5,157 |
| BAYOU LAMOURIE | Louisiana | Fair | 1977 | 30.5 m | 5,157 |
| CITY STREETS | Louisiana | Fair | 1968 | 235.6 m | 5,154 |
| DAWSON CREEK | Louisiana | Fair | 1973 | 61.9 m | 5,125 |
| CHAUVIN BAYOU | Louisiana | Poor | 1979 | 14.6 m | 5,123 |
| MP RR @ TAFT | Louisiana | Good | 1977 | 456.3 m | 5,122 |
| HEMP CREEK | Louisiana | Fair | 1955 | 30.5 m | 5,122 |
| CREEK | Louisiana | Good | 2009 | 73.2 m | 5,116 |
| CREEK | Louisiana | Good | 1941 | 6.4 m | 5,116 |
| Chickasaw creek | Louisiana | Good | 2009 | 97.5 m | 5,116 |
| CANAL | Louisiana | Good | 1995 | 9.1 m | 5,112 |
| BIG CREEK | Louisiana | Fair | 1952 | 72.8 m | 5,107 |
| DUGDEMONA RIVER | Louisiana | Good | 2013 | 268.2 m | 5,107 |
| KCS RR | Louisiana | Poor | 1976 | 106.7 m | 5,107 |
| CREEK | Louisiana | Fair | 1924 | 10.1 m | 5,107 |
| KANSAS CITY SOUTHERN RR | Louisiana | Good | 2009 | 94.5 m | 5,107 |
| ANTWINE CREEK | Louisiana | Good | 1952 | 10.4 m | 5,107 |
| BIG CREEK RELIEF | Louisiana | Poor | 1952 | 42.1 m | 5,107 |
| CEDAR CREEK | Louisiana | Good | 2009 | 61.0 m | 5,107 |
| MILL CREEK | Louisiana | Fair | 1977 | 11.6 m | 5,102 |
| Mill Creek | Louisiana | Good | 1976 | 11.6 m | 5,102 |
| SAN JOSE CREEK TRIB. | Louisiana | Fair | 1987 | 6.7 m | 5,100 |
| HURRICANE CREEK | Louisiana | Good | 2015 | 24.4 m | 5,100 |
| BAYOU DURALDE | Louisiana | Fair | 1958 | 7.0 m | 5,097 |
| REDWOOD CREEK | Louisiana | Good | 2012 | 48.8 m | 5,083 |
| LACACHE BAYOU | Louisiana | Fair | 1967 | 17.7 m | 5,080 |
| TERREBONNE BAYOU | Louisiana | Fair | 1983 | 54.6 m | 5,080 |
| LABUTTE BAYOU | Louisiana | Good | 1985 | 30.5 m | 5,075 |
| BRUSHY BAYOU | Louisiana | Fair | 1937 | 36.9 m | 5,065 |
| LABUTTE BAYOU | Louisiana | Good | 1986 | 36.6 m | 5,055 |
| FOURMILE BAYOU | Louisiana | Fair | 1953 | 30.5 m | 5,051 |
| THERIOT CANAL | Louisiana | Good | 1991 | 24.4 m | 5,050 |
| L VALLEY CANAL | Louisiana | Fair | 1992 | 29.0 m | 5,050 |
| I-12 | Louisiana | Good | 1970 | 76.8 m | 5,050 |
| DAWSON CREEK | Louisiana | Fair | 1973 | 61.3 m | 5,042 |
| KANSAS CITY SOUTHERN | Louisiana | Fair | 1987 | 29.3 m | 5,040 |
| BAYOU PEDRO | Louisiana | Good | 1966 | 13.4 m | 5,031 |
| CRIB CREEK | Louisiana | Fair | 1966 | 36.6 m | 5,031 |
| GRAND COULEE | Louisiana | Fair | 1960 | 7.0 m | 5,027 |
| COULEE BAYOU | Louisiana | Fair | 1932 | 8.5 m | 5,027 |
| TRAYLOR BRANCH | Louisiana | Good | 1962 | 24.4 m | 5,026 |
| L NATALBANY RIVER | Louisiana | Fair | 1962 | 61.0 m | 5,026 |
| DIVERSION CHANNEL | Louisiana | Fair | 1972 | 128.0 m | 5,026 |
| PONCHATOULA CREEK | Louisiana | Fair | 1979 | 23.5 m | 5,026 |
| INDIAN BAYOU | Louisiana | Fair | 1960 | 86.0 m | 5,026 |
| NAT. RIVER RELIEF | Louisiana | Fair | 1963 | 48.8 m | 5,026 |
| I-55 | Louisiana | Good | 1970 | 67.7 m | 5,026 |
| ALLIGATOR BAYOU | Louisiana | Fair | 1960 | 73.8 m | 5,026 |
| LITTLE SALINE B | Louisiana | Poor | 1960 | 49.4 m | 5,026 |
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.