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 |
|---|---|---|---|---|---|
| METAIRIE ROAD | Louisiana | Fair | 1962 | 414.5 m | 1,600 |
| DRAIN CANAL | Louisiana | Fair | 1967 | 76.2 m | 1,600 |
| DRAIN CANAL | Louisiana | Fair | 1967 | 110.0 m | 1,600 |
| LA 433 | Louisiana | Fair | 1966 | 67.1 m | 1,600 |
| DRAINAGE CANAL | Louisiana | Fair | 1966 | 36.6 m | 1,600 |
| US 190 | Louisiana | Fair | 1966 | 61.0 m | 1,600 |
| CANAL | Louisiana | Fair | 1966 | 30.5 m | 1,600 |
| CANAL | Louisiana | Fair | 1966 | 30.5 m | 1,600 |
| I-59 NB LANE | Louisiana | Fair | 1970 | 71.6 m | 1,600 |
| W PEARL RIVER | Louisiana | Fair | 1970 | 694.9 m | 1,600 |
| MIDDLE PEARL R. | Louisiana | Fair | 1970 | 234.7 m | 1,600 |
| CANAL | Louisiana | Fair | 1965 | 48.8 m | 1,600 |
| N. CAUSEWAY APPR. S BOUN | Louisiana | Good | 1993 | 319.1 m | 1,600 |
| MONROE St | Louisiana | Good | 1993 | 647.4 m | 1,600 |
| MONROE STREET OPASS | Louisiana | Good | 1993 | 596.5 m | 1,600 |
| GROUND | Louisiana | Good | 2011 | 73.5 m | 1,600 |
| Nezpique Bayou E. Fork | Louisiana | Poor | 1950 | 36.6 m | 1,599 |
| CREEK | Louisiana | Fair | 1950 | 65.8 m | 1,599 |
| Cypress Bayou | Louisiana | Good | 2017 | 18.3 m | 1,597 |
| DRAIN CANAL | Louisiana | Good | 1984 | 24.4 m | 1,596 |
| DRAIN CANAL | Louisiana | Good | 1984 | 18.3 m | 1,596 |
| MACKS BAYOU | Louisiana | Good | 1994 | 6.4 m | 1,596 |
| DRAIN CANAL | Louisiana | Good | 1984 | 24.4 m | 1,596 |
| I-20 | Louisiana | Fair | 1969 | 104.5 m | 1,594 |
| BURNS BAYOU | Louisiana | Fair | 1960 | 34.7 m | 1,594 |
| BEE BAYOU | Louisiana | Fair | 1960 | 41.1 m | 1,594 |
| DRAIN | Louisiana | Fair | 1960 | 11.9 m | 1,594 |
| BAYOU DE PORTAGE | Louisiana | Fair | 1972 | 29.0 m | 1,590 |
| BIG CREEK | Louisiana | Poor | 1968 | 231.6 m | 1,590 |
| LOWE CREEK | Louisiana | Fair | 1948 | 11.9 m | 1,590 |
| LITTLE RIVER RELIEF | Louisiana | Fair | 1981 | 91.4 m | 1,590 |
| RILEY BRANCH CR | Louisiana | Good | 1972 | 7.6 m | 1,590 |
| MACK BRANCH CREEK | Louisiana | Good | 1972 | 36.6 m | 1,590 |
| LITTLE RIVER | Louisiana | Good | 1981 | 171.3 m | 1,590 |
| CREEK | Louisiana | Fair | 1949 | 10.4 m | 1,587 |
| BAYOU SAN MIGUEL | Louisiana | Poor | 1950 | 29.9 m | 1,587 |
| BAYOU SAN MIGUEL RELIEF | Louisiana | Fair | 1934 | 28.0 m | 1,587 |
| CREEK | Louisiana | Fair | 1950 | 8.2 m | 1,587 |
| BAYOU PORTAGE | Louisiana | Fair | 1970 | 54.9 m | 1,585 |
| W ATCHAFALAYA FLOODWAY | Louisiana | Fair | 1971 | 7,144.5 m | 1,585 |
| E ATCHAFALAYA FLOODWAY | Louisiana | Fair | 1972 | 6,579.1 m | 1,585 |
| HAMMER CREEK | Louisiana | Good | 1948 | 8.5 m | 1,585 |
| HAMMER CREEK TRIB | Louisiana | Fair | 1948 | 8.5 m | 1,585 |
| EAST FLOODWAY | Louisiana | Fair | 1972 | 12,800.4 m | 1,585 |
| SANDY CREEK | Louisiana | Poor | 1957 | 69.8 m | 1,584 |
| HUNTERS BAYOU | Louisiana | Poor | 1957 | 35.1 m | 1,584 |
| MCQUINNEY BAYOU R | Louisiana | Fair | 1957 | 17.7 m | 1,584 |
| MCQUINNEY BAYOU | Louisiana | Poor | 1957 | 52.4 m | 1,584 |
| TRIB OF BLUFF CK | Louisiana | Poor | 1957 | 46.6 m | 1,584 |
| CREEK | Louisiana | Fair | 1962 | 18.0 m | 1,584 |
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.