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 |
|---|---|---|---|---|---|
| TEXAS STREET | Louisiana | Fair | 1976 | 41.5 m | 30,723 |
| ARMENCO CANAL | Louisiana | Fair | 1965 | 30.5 m | 30,572 |
| WEST NAP.CANAL NUMBER 4 | Louisiana | Good | 1980 | 7.9 m | 30,300 |
| CANAL NO 3 | Louisiana | Good | 1973 | 8.2 m | 30,300 |
| KIRKMAN STREET | Louisiana | Fair | 1975 | 44.5 m | 30,293 |
| DRAINAGE CANAL | Louisiana | Fair | 1975 | 38.1 m | 30,064 |
| I 10 | Louisiana | Fair | 1966 | 396.2 m | 30,030 |
| I 10 | Louisiana | Fair | 1966 | 396.2 m | 30,030 |
| VERRET CANAL | Louisiana | Fair | 1976 | 46.3 m | 30,000 |
| VERRET CANAL | Louisiana | Fair | 1976 | 46.3 m | 30,000 |
| WEYRAUCH CANAL | Louisiana | Good | 1976 | 17.4 m | 30,000 |
| COULEE | Louisiana | Fair | 1984 | 8.5 m | 29,990 |
| DRAINAGE CANAL BRIDGE | Louisiana | Fair | 1975 | 38.1 m | 29,961 |
| ICG & KCS RR | Louisiana | Fair | 1976 | 548.6 m | 29,942 |
| DRAIN | Louisiana | Good | 1956 | 8.2 m | 29,942 |
| US 71 | Louisiana | Good | 1981 | 82.3 m | 29,768 |
| UP & LAS RR | Louisiana | Fair | 1970 | 139.3 m | 29,768 |
| US 165 | Louisiana | Fair | 1970 | 81.1 m | 29,768 |
| US 71 FRONTAGE ROAD LA | Louisiana | Good | 1996 | 144.8 m | 29,767 |
| LA 1 | Louisiana | Good | 1994 | 119.5 m | 29,767 |
| BAYOU MOUCHOIR | Louisiana | Fair | 1963 | 24.4 m | 29,759 |
| US 165-B & MP RR @ RILLA | Louisiana | Good | 1984 | 152.7 m | 29,759 |
| BAYOU MOUCHOIR | Louisiana | Fair | 1963 | 24.4 m | 29,759 |
| PINE BAYOU | Louisiana | Fair | 1963 | 24.4 m | 29,759 |
| YOUNGS BAYOU | Louisiana | Poor | 1966 | 36.6 m | 29,759 |
| LA 594&ICRR | Louisiana | Fair | 1966 | 234.7 m | 29,759 |
| MPRR US 165 | Louisiana | Fair | 1966 | 82.9 m | 29,759 |
| US 80 | Louisiana | Fair | 1980 | 71.6 m | 29,759 |
| BAYOU DESIARD | Louisiana | Fair | 1976 | 198.7 m | 29,759 |
| CANAL | Louisiana | Fair | 1975 | 18.9 m | 29,759 |
| SEGURA BRANCH | Louisiana | Fair | 1965 | 30.5 m | 29,549 |
| LA 675 | Louisiana | Good | 2009 | 555.3 m | 29,549 |
| CREEK | Louisiana | Fair | 1965 | 7.9 m | 29,549 |
| LA 169 | Louisiana | Good | 2013 | 85.3 m | 29,542 |
| SWIFT BAYOU | Louisiana | Good | 2013 | 30.5 m | 29,542 |
| MYRICKS BAYOU | Louisiana | Good | 2013 | 30.5 m | 29,542 |
| SWIFT BAYOU CANAL | Louisiana | Good | 2013 | 11.3 m | 29,542 |
| SELF ROAD | Louisiana | Good | 2013 | 64.0 m | 29,542 |
| DOOLEY BAYOU | Louisiana | Good | 2013 | 36.6 m | 29,542 |
| LA 173 | Louisiana | Good | 2013 | 307.8 m | 29,542 |
| COTTONWOOD BAYOU | Louisiana | Good | 2013 | 7.9 m | 29,542 |
| DRAIN | Louisiana | Good | 2013 | 9.8 m | 29,542 |
| BLIND RIVER | Louisiana | Fair | 1975 | 550.2 m | 29,510 |
| GROUND | Louisiana | Good | 1992 | 969.3 m | 29,468 |
| 80 ARPENT CANAL | Louisiana | Good | 1986 | 38.1 m | 29,468 |
| RAMP"C"FROM I 310 SB | Louisiana | Fair | 1979 | 393.2 m | 29,468 |
| S.P. RR. & LA 631 | Louisiana | Good | 1986 | 240.5 m | 29,468 |
| S.P. R.R. & LA 631 | Louisiana | Fair | 1986 | 402.0 m | 29,468 |
| I 310 N FROM US 90 | Louisiana | Good | 1986 | 278.9 m | 29,468 |
| PIPELINE | Louisiana | Good | 1992 | 51.8 m | 29,468 |
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.